Home / 870,007.34-1,304,589.10-510,295.74

Finding the Fourth Proportional to 870,007.34, 1,304,589.10 and 510,295.74

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Solution

The fourth proportional to 870,007.34, 1,304,589.10 and 510,295.74 is: 765,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,007.34 : 1,304,589.10 = 510,295.74 : x
  2. Step 2: Convert to fraction form
    870,007.34/1,304,589.10 = 510,295.74/x
  3. Step 3: Cross multiply
    870,007.34x = 1,304,589.10 × 510,295.74
  4. Step 4: Simplify right side
    870,007.34x = 665,726,260,180.43
  5. Step 5: Solve for x
    x = 665,726,260,180.43/870,007.34
  6. Step 6: Final answer
    x = 765,196.14

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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.