Home / 738,114.30-1,107,113.85-288,747.90

Finding the Fourth Proportional to 738,114.30, 1,107,113.85 and 288,747.90

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Solution

The fourth proportional to 738,114.30, 1,107,113.85 and 288,747.90 is: 433,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,114.30 : 1,107,113.85 = 288,747.90 : x
  2. Step 2: Convert to fraction form
    738,114.30/1,107,113.85 = 288,747.90/x
  3. Step 3: Cross multiply
    738,114.30x = 1,107,113.85 × 288,747.90
  4. Step 4: Simplify right side
    738,114.30x = 319,676,799,248.42
  5. Step 5: Solve for x
    x = 319,676,799,248.42/738,114.30
  6. Step 6: Final answer
    x = 433,099.32

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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.