Home / 902,909.38-1,246,019.61-520,952.26

Finding the Fourth Proportional to 902,909.38, 1,246,019.61 and 520,952.26

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Solution

The fourth proportional to 902,909.38, 1,246,019.61 and 520,952.26 is: 718,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,909.38 : 1,246,019.61 = 520,952.26 : x
  2. Step 2: Convert to fraction form
    902,909.38/1,246,019.61 = 520,952.26/x
  3. Step 3: Cross multiply
    902,909.38x = 1,246,019.61 × 520,952.26
  4. Step 4: Simplify right side
    902,909.38x = 649,116,731,833.82
  5. Step 5: Solve for x
    x = 649,116,731,833.82/902,909.38
  6. Step 6: Final answer
    x = 718,916.81

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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.