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Finding the Fourth Proportional to 662,979.71, 994,622.52 and 207,545.06

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Solution

The fourth proportional to 662,979.71, 994,622.52 and 207,545.06 is: 311,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,979.71 : 994,622.52 = 207,545.06 : x
  2. Step 2: Convert to fraction form
    662,979.71/994,622.52 = 207,545.06/x
  3. Step 3: Cross multiply
    662,979.71x = 994,622.52 × 207,545.06
  4. Step 4: Simplify right side
    662,979.71x = 206,428,990,590.75
  5. Step 5: Solve for x
    x = 206,428,990,590.75/662,979.71
  6. Step 6: Final answer
    x = 311,365.47

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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.