Home / 746,324.20-1,119,486.30-185,358.70

Finding the Fourth Proportional to 746,324.20, 1,119,486.30 and 185,358.70

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Solution

The fourth proportional to 746,324.20, 1,119,486.30 and 185,358.70 is: 278,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,324.20 : 1,119,486.30 = 185,358.70 : x
  2. Step 2: Convert to fraction form
    746,324.20/1,119,486.30 = 185,358.70/x
  3. Step 3: Cross multiply
    746,324.20x = 1,119,486.30 × 185,358.70
  4. Step 4: Simplify right side
    746,324.20x = 207,506,525,235.81
  5. Step 5: Solve for x
    x = 207,506,525,235.81/746,324.20
  6. Step 6: Final answer
    x = 278,038.05

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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.