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Finding the Fourth Proportional to 880,687.93, 1,321,287.96 and 368,594.71

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Solution

The fourth proportional to 880,687.93, 1,321,287.96 and 368,594.71 is: 552,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,687.93 : 1,321,287.96 = 368,594.71 : x
  2. Step 2: Convert to fraction form
    880,687.93/1,321,287.96 = 368,594.71/x
  3. Step 3: Cross multiply
    880,687.93x = 1,321,287.96 × 368,594.71
  4. Step 4: Simplify right side
    880,687.93x = 487,019,752,442.69
  5. Step 5: Solve for x
    x = 487,019,752,442.69/880,687.93
  6. Step 6: Final answer
    x = 552,999.24

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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.