Home / 870,275.22-1,304,514.78-365,129.52

Finding the Fourth Proportional to 870,275.22, 1,304,514.78 and 365,129.52

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Solution

The fourth proportional to 870,275.22, 1,304,514.78 and 365,129.52 is: 547,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,275.22 : 1,304,514.78 = 365,129.52 : x
  2. Step 2: Convert to fraction form
    870,275.22/1,304,514.78 = 365,129.52/x
  3. Step 3: Cross multiply
    870,275.22x = 1,304,514.78 × 365,129.52
  4. Step 4: Simplify right side
    870,275.22x = 476,316,855,454.31
  5. Step 5: Solve for x
    x = 476,316,855,454.31/870,275.22
  6. Step 6: Final answer
    x = 547,317.50

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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.