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Finding the Fourth Proportional to 648,657.32, 894,654.52 and 558,164.93

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Solution

The fourth proportional to 648,657.32, 894,654.52 and 558,164.93 is: 769,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,657.32 : 894,654.52 = 558,164.93 : x
  2. Step 2: Convert to fraction form
    648,657.32/894,654.52 = 558,164.93/x
  3. Step 3: Cross multiply
    648,657.32x = 894,654.52 × 558,164.93
  4. Step 4: Simplify right side
    648,657.32x = 499,364,771,661.30
  5. Step 5: Solve for x
    x = 499,364,771,661.30/648,657.32
  6. Step 6: Final answer
    x = 769,843.74

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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.