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Finding the Fourth Proportional to 629,587.22, 868,802.76 and 357,654.02

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Solution

The fourth proportional to 629,587.22, 868,802.76 and 357,654.02 is: 493,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,587.22 : 868,802.76 = 357,654.02 : x
  2. Step 2: Convert to fraction form
    629,587.22/868,802.76 = 357,654.02/x
  3. Step 3: Cross multiply
    629,587.22x = 868,802.76 × 357,654.02
  4. Step 4: Simplify right side
    629,587.22x = 310,730,795,357.08
  5. Step 5: Solve for x
    x = 310,730,795,357.08/629,587.22
  6. Step 6: Final answer
    x = 493,546.86

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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.