Home / 746,286.40-1,119,429.60-185,320.90

Finding the Fourth Proportional to 746,286.40, 1,119,429.60 and 185,320.90

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Solution

The fourth proportional to 746,286.40, 1,119,429.60 and 185,320.90 is: 277,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,286.40 : 1,119,429.60 = 185,320.90 : x
  2. Step 2: Convert to fraction form
    746,286.40/1,119,429.60 = 185,320.90/x
  3. Step 3: Cross multiply
    746,286.40x = 1,119,429.60 × 185,320.90
  4. Step 4: Simplify right side
    746,286.40x = 207,453,700,958.64
  5. Step 5: Solve for x
    x = 207,453,700,958.64/746,286.40
  6. Step 6: Final answer
    x = 277,981.35

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Double scale
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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.