Home / 502,517.40-753,545.70-221,890.20

Finding the Fourth Proportional to 502,517.40, 753,545.70 and 221,890.20

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Solution

The fourth proportional to 502,517.40, 753,545.70 and 221,890.20 is: 332,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,517.40 : 753,545.70 = 221,890.20 : x
  2. Step 2: Convert to fraction form
    502,517.40/753,545.70 = 221,890.20/x
  3. Step 3: Cross multiply
    502,517.40x = 753,545.70 × 221,890.20
  4. Step 4: Simplify right side
    502,517.40x = 167,204,406,082.14
  5. Step 5: Solve for x
    x = 167,204,406,082.14/502,517.40
  6. Step 6: Final answer
    x = 332,733.57

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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.