Home / 654,145.45-902,691.07-382,238.17

Finding the Fourth Proportional to 654,145.45, 902,691.07 and 382,238.17

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Solution

The fourth proportional to 654,145.45, 902,691.07 and 382,238.17 is: 527,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,145.45 : 902,691.07 = 382,238.17 : x
  2. Step 2: Convert to fraction form
    654,145.45/902,691.07 = 382,238.17/x
  3. Step 3: Cross multiply
    654,145.45x = 902,691.07 × 382,238.17
  4. Step 4: Simplify right side
    654,145.45x = 345,042,982,672.14
  5. Step 5: Solve for x
    x = 345,042,982,672.14/654,145.45
  6. Step 6: Final answer
    x = 527,471.35

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1.5x scale

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.