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Finding the Fourth Proportional to 902,659, 1,245,669.42 and 500,276.92

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Solution

The fourth proportional to 902,659, 1,245,669.42 and 500,276.92 is: 690,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,659 : 1,245,669.42 = 500,276.92 : x
  2. Step 2: Convert to fraction form
    902,659/1,245,669.42 = 500,276.92/x
  3. Step 3: Cross multiply
    902,659x = 1,245,669.42 × 500,276.92
  4. Step 4: Simplify right side
    902,659x = 623,179,660,775.79
  5. Step 5: Solve for x
    x = 623,179,660,775.79/902,659
  6. Step 6: Final answer
    x = 690,382.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.