Home / 749,113.30-1,123,669.95-497,170.90

Finding the Fourth Proportional to 749,113.30, 1,123,669.95 and 497,170.90

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Solution

The fourth proportional to 749,113.30, 1,123,669.95 and 497,170.90 is: 745,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,113.30 : 1,123,669.95 = 497,170.90 : x
  2. Step 2: Convert to fraction form
    749,113.30/1,123,669.95 = 497,170.90/x
  3. Step 3: Cross multiply
    749,113.30x = 1,123,669.95 × 497,170.90
  4. Step 4: Simplify right side
    749,113.30x = 558,656,000,344.46
  5. Step 5: Solve for x
    x = 558,656,000,344.46/749,113.30
  6. Step 6: Final answer
    x = 745,756.35

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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.