Home / 868,545.56-1,302,992.27-299,947.43

Finding the Fourth Proportional to 868,545.56, 1,302,992.27 and 299,947.43

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Solution

The fourth proportional to 868,545.56, 1,302,992.27 and 299,947.43 is: 449,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,545.56 : 1,302,992.27 = 299,947.43 : x
  2. Step 2: Convert to fraction form
    868,545.56/1,302,992.27 = 299,947.43/x
  3. Step 3: Cross multiply
    868,545.56x = 1,302,992.27 × 299,947.43
  4. Step 4: Simplify right side
    868,545.56x = 390,829,175,806.47
  5. Step 5: Solve for x
    x = 390,829,175,806.47/868,545.56
  6. Step 6: Final answer
    x = 449,981.21

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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.