Home / 654,438.31-902,821.73-382,517.66

Finding the Fourth Proportional to 654,438.31, 902,821.73 and 382,517.66

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Solution

The fourth proportional to 654,438.31, 902,821.73 and 382,517.66 is: 527,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,438.31 : 902,821.73 = 382,517.66 : x
  2. Step 2: Convert to fraction form
    654,438.31/902,821.73 = 382,517.66/x
  3. Step 3: Cross multiply
    654,438.31x = 902,821.73 × 382,517.66
  4. Step 4: Simplify right side
    654,438.31x = 345,345,255,901.22
  5. Step 5: Solve for x
    x = 345,345,255,901.22/654,438.31
  6. Step 6: Final answer
    x = 527,697.19

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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.