Home / 870,725.24-1,306,170.30-338,287.34

Finding the Fourth Proportional to 870,725.24, 1,306,170.30 and 338,287.34

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Solution

The fourth proportional to 870,725.24, 1,306,170.30 and 338,287.34 is: 507,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,725.24 : 1,306,170.30 = 338,287.34 : x
  2. Step 2: Convert to fraction form
    870,725.24/1,306,170.30 = 338,287.34/x
  3. Step 3: Cross multiply
    870,725.24x = 1,306,170.30 × 338,287.34
  4. Step 4: Simplify right side
    870,725.24x = 441,860,876,374.00
  5. Step 5: Solve for x
    x = 441,860,876,374.00/870,725.24
  6. Step 6: Final answer
    x = 507,463.04

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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.