Home / 746,393.70-1,119,590.55-185,428.20

Finding the Fourth Proportional to 746,393.70, 1,119,590.55 and 185,428.20

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Solution

The fourth proportional to 746,393.70, 1,119,590.55 and 185,428.20 is: 278,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,393.70 : 1,119,590.55 = 185,428.20 : x
  2. Step 2: Convert to fraction form
    746,393.70/1,119,590.55 = 185,428.20/x
  3. Step 3: Cross multiply
    746,393.70x = 1,119,590.55 × 185,428.20
  4. Step 4: Simplify right side
    746,393.70x = 207,603,660,423.51
  5. Step 5: Solve for x
    x = 207,603,660,423.51/746,393.70
  6. Step 6: Final answer
    x = 278,142.30

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Half scale
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Double scale
Find fourth proportional to 746,394.70, 1,119,592.05 and 185,429.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.