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Finding the Fourth Proportional to 902,656, 1,245,665.28 and 500,273.92

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Solution

The fourth proportional to 902,656, 1,245,665.28 and 500,273.92 is: 690,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,656 : 1,245,665.28 = 500,273.92 : x
  2. Step 2: Convert to fraction form
    902,656/1,245,665.28 = 500,273.92/x
  3. Step 3: Cross multiply
    902,656x = 1,245,665.28 × 500,273.92
  4. Step 4: Simplify right side
    902,656x = 623,173,852,633.50
  5. Step 5: Solve for x
    x = 623,173,852,633.50/902,656
  6. Step 6: Final answer
    x = 690,378.01

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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.