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Finding the Fourth Proportional to 663,870.72, 995,806.68 and 284,545.29

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Solution

The fourth proportional to 663,870.72, 995,806.68 and 284,545.29 is: 426,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,870.72 : 995,806.68 = 284,545.29 : x
  2. Step 2: Convert to fraction form
    663,870.72/995,806.68 = 284,545.29/x
  3. Step 3: Cross multiply
    663,870.72x = 995,806.68 × 284,545.29
  4. Step 4: Simplify right side
    663,870.72x = 283,352,100,544.54
  5. Step 5: Solve for x
    x = 283,352,100,544.54/663,870.72
  6. Step 6: Final answer
    x = 426,818.19

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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.