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Finding the Fourth Proportional to 706,449.26, 974,925.62 and 404,701.58

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Solution

The fourth proportional to 706,449.26, 974,925.62 and 404,701.58 is: 558,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,449.26 : 974,925.62 = 404,701.58 : x
  2. Step 2: Convert to fraction form
    706,449.26/974,925.62 = 404,701.58/x
  3. Step 3: Cross multiply
    706,449.26x = 974,925.62 × 404,701.58
  4. Step 4: Simplify right side
    706,449.26x = 394,553,940,727.92
  5. Step 5: Solve for x
    x = 394,553,940,727.92/706,449.26
  6. Step 6: Final answer
    x = 558,502.87

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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.