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Finding the Fourth Proportional to 870,007.60, 1,304,589.46 and 510,296

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Solution

The fourth proportional to 870,007.60, 1,304,589.46 and 510,296 is: 765,196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,007.60 : 1,304,589.46 = 510,296 : x
  2. Step 2: Convert to fraction form
    870,007.60/1,304,589.46 = 510,296/x
  3. Step 3: Cross multiply
    870,007.60x = 1,304,589.46 × 510,296
  4. Step 4: Simplify right side
    870,007.60x = 665,726,783,080.16
  5. Step 5: Solve for x
    x = 665,726,783,080.16/870,007.60
  6. Step 6: Final answer
    x = 765,196.51

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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.