Home / 872,382.80-1,308,574.20-732,414.80

Finding the Fourth Proportional to 872,382.80, 1,308,574.20 and 732,414.80

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Solution

The fourth proportional to 872,382.80, 1,308,574.20 and 732,414.80 is: 1,098,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,382.80 : 1,308,574.20 = 732,414.80 : x
  2. Step 2: Convert to fraction form
    872,382.80/1,308,574.20 = 732,414.80/x
  3. Step 3: Cross multiply
    872,382.80x = 1,308,574.20 × 732,414.80
  4. Step 4: Simplify right side
    872,382.80x = 958,419,110,978.16
  5. Step 5: Solve for x
    x = 958,419,110,978.16/872,382.80
  6. Step 6: Final answer
    x = 1,098,622.20

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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.