Home / 738,503.29-1,107,312.02-338,643.15

Finding the Fourth Proportional to 738,503.29, 1,107,312.02 and 338,643.15

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Solution

The fourth proportional to 738,503.29, 1,107,312.02 and 338,643.15 is: 507,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,503.29 : 1,107,312.02 = 338,643.15 : x
  2. Step 2: Convert to fraction form
    738,503.29/1,107,312.02 = 338,643.15/x
  3. Step 3: Cross multiply
    738,503.29x = 1,107,312.02 × 338,643.15
  4. Step 4: Simplify right side
    738,503.29x = 374,983,625,909.94
  5. Step 5: Solve for x
    x = 374,983,625,909.94/738,503.29
  6. Step 6: Final answer
    x = 507,761.62

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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.