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Finding the Fourth Proportional to 615,545.60, 924,009.60 and 334,918.40

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Solution

The fourth proportional to 615,545.60, 924,009.60 and 334,918.40 is: 502,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,545.60 : 924,009.60 = 334,918.40 : x
  2. Step 2: Convert to fraction form
    615,545.60/924,009.60 = 334,918.40/x
  3. Step 3: Cross multiply
    615,545.60x = 924,009.60 × 334,918.40
  4. Step 4: Simplify right side
    615,545.60x = 309,467,816,816.64
  5. Step 5: Solve for x
    x = 309,467,816,816.64/615,545.60
  6. Step 6: Final answer
    x = 502,753.68

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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.