Home / 738,281.94-1,107,560.88-508,440.24

Finding the Fourth Proportional to 738,281.94, 1,107,560.88 and 508,440.24

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Solution

The fourth proportional to 738,281.94, 1,107,560.88 and 508,440.24 is: 762,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,281.94 : 1,107,560.88 = 508,440.24 : x
  2. Step 2: Convert to fraction form
    738,281.94/1,107,560.88 = 508,440.24/x
  3. Step 3: Cross multiply
    738,281.94x = 1,107,560.88 × 508,440.24
  4. Step 4: Simplify right side
    738,281.94x = 563,128,519,641.81
  5. Step 5: Solve for x
    x = 563,128,519,641.81/738,281.94
  6. Step 6: Final answer
    x = 762,755.38

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Double scale
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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.