Home / 870,006.09-1,304,587.23-510,294.48

Finding the Fourth Proportional to 870,006.09, 1,304,587.23 and 510,294.48

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Solution

The fourth proportional to 870,006.09, 1,304,587.23 and 510,294.48 is: 765,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,006.09 : 1,304,587.23 = 510,294.48 : x
  2. Step 2: Convert to fraction form
    870,006.09/1,304,587.23 = 510,294.48/x
  3. Step 3: Cross multiply
    870,006.09x = 1,304,587.23 × 510,294.48
  4. Step 4: Simplify right side
    870,006.09x = 665,723,662,147.49
  5. Step 5: Solve for x
    x = 665,723,662,147.49/870,006.09
  6. Step 6: Final answer
    x = 765,194.26

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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.