Home / 870,757.47-1,306,151.24-302,158.42

Finding the Fourth Proportional to 870,757.47, 1,306,151.24 and 302,158.42

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Solution

The fourth proportional to 870,757.47, 1,306,151.24 and 302,158.42 is: 453,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,757.47 : 1,306,151.24 = 302,158.42 : x
  2. Step 2: Convert to fraction form
    870,757.47/1,306,151.24 = 302,158.42/x
  3. Step 3: Cross multiply
    870,757.47x = 1,306,151.24 × 302,158.42
  4. Step 4: Simplify right side
    870,757.47x = 394,664,594,959.44
  5. Step 5: Solve for x
    x = 394,664,594,959.44/870,757.47
  6. Step 6: Final answer
    x = 453,242.85

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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.