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Finding the Fourth Proportional to 658,001.60, 986,714.40 and 302,897.60

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Solution

The fourth proportional to 658,001.60, 986,714.40 and 302,897.60 is: 454,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,001.60 : 986,714.40 = 302,897.60 : x
  2. Step 2: Convert to fraction form
    658,001.60/986,714.40 = 302,897.60/x
  3. Step 3: Cross multiply
    658,001.60x = 986,714.40 × 302,897.60
  4. Step 4: Simplify right side
    658,001.60x = 298,873,423,645.44
  5. Step 5: Solve for x
    x = 298,873,423,645.44/658,001.60
  6. Step 6: Final answer
    x = 454,213.83

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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.