Home / 748,972.80-1,123,459.20-497,030.40

Finding the Fourth Proportional to 748,972.80, 1,123,459.20 and 497,030.40

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Solution

The fourth proportional to 748,972.80, 1,123,459.20 and 497,030.40 is: 745,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,972.80 : 1,123,459.20 = 497,030.40 : x
  2. Step 2: Convert to fraction form
    748,972.80/1,123,459.20 = 497,030.40/x
  3. Step 3: Cross multiply
    748,972.80x = 1,123,459.20 × 497,030.40
  4. Step 4: Simplify right side
    748,972.80x = 558,393,375,559.68
  5. Step 5: Solve for x
    x = 558,393,375,559.68/748,972.80
  6. Step 6: Final answer
    x = 745,545.60

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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.