Home / 654,291.10-902,859.51-382,422.70

Finding the Fourth Proportional to 654,291.10, 902,859.51 and 382,422.70

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Solution

The fourth proportional to 654,291.10, 902,859.51 and 382,422.70 is: 527,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,291.10 : 902,859.51 = 382,422.70 : x
  2. Step 2: Convert to fraction form
    654,291.10/902,859.51 = 382,422.70/x
  3. Step 3: Cross multiply
    654,291.10x = 902,859.51 × 382,422.70
  4. Step 4: Simplify right side
    654,291.10x = 345,273,971,534.88
  5. Step 5: Solve for x
    x = 345,273,971,534.88/654,291.10
  6. Step 6: Final answer
    x = 527,706.97

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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.