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Finding the Fourth Proportional to 870,009.60, 1,304,592.46 and 510,298

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Solution

The fourth proportional to 870,009.60, 1,304,592.46 and 510,298 is: 765,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,009.60 : 1,304,592.46 = 510,298 : x
  2. Step 2: Convert to fraction form
    870,009.60/1,304,592.46 = 510,298/x
  3. Step 3: Cross multiply
    870,009.60x = 1,304,592.46 × 510,298
  4. Step 4: Simplify right side
    870,009.60x = 665,730,923,153.08
  5. Step 5: Solve for x
    x = 665,730,923,153.08/870,009.60
  6. Step 6: Final answer
    x = 765,199.51

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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.