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Finding the Fourth Proportional to 701,391.52, 967,979.28 and 429,458.08

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Solution

The fourth proportional to 701,391.52, 967,979.28 and 429,458.08 is: 592,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,391.52 : 967,979.28 = 429,458.08 : x
  2. Step 2: Convert to fraction form
    701,391.52/967,979.28 = 429,458.08/x
  3. Step 3: Cross multiply
    701,391.52x = 967,979.28 × 429,458.08
  4. Step 4: Simplify right side
    701,391.52x = 415,706,523,068.58
  5. Step 5: Solve for x
    x = 415,706,523,068.58/701,391.52
  6. Step 6: Final answer
    x = 592,688.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.