Home / 746,523.40-1,119,785.10-508,577.80

Finding the Fourth Proportional to 746,523.40, 1,119,785.10 and 508,577.80

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Solution

The fourth proportional to 746,523.40, 1,119,785.10 and 508,577.80 is: 762,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,523.40 : 1,119,785.10 = 508,577.80 : x
  2. Step 2: Convert to fraction form
    746,523.40/1,119,785.10 = 508,577.80/x
  3. Step 3: Cross multiply
    746,523.40x = 1,119,785.10 × 508,577.80
  4. Step 4: Simplify right side
    746,523.40x = 569,497,842,630.78
  5. Step 5: Solve for x
    x = 569,497,842,630.78/746,523.40
  6. Step 6: Final answer
    x = 762,866.70

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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.