Home / 689,058.88-951,161.07-402,672.04

Finding the Fourth Proportional to 689,058.88, 951,161.07 and 402,672.04

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Solution

The fourth proportional to 689,058.88, 951,161.07 and 402,672.04 is: 555,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,058.88 : 951,161.07 = 402,672.04 : x
  2. Step 2: Convert to fraction form
    689,058.88/951,161.07 = 402,672.04/x
  3. Step 3: Cross multiply
    689,058.88x = 951,161.07 × 402,672.04
  4. Step 4: Simplify right side
    689,058.88x = 383,005,968,425.48
  5. Step 5: Solve for x
    x = 383,005,968,425.48/689,058.88
  6. Step 6: Final answer
    x = 555,839.25

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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.