Home / 497,912.85-687,116.59-283,052.97

Finding the Fourth Proportional to 497,912.85, 687,116.59 and 283,052.97

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Solution

The fourth proportional to 497,912.85, 687,116.59 and 283,052.97 is: 390,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,912.85 : 687,116.59 = 283,052.97 : x
  2. Step 2: Convert to fraction form
    497,912.85/687,116.59 = 283,052.97/x
  3. Step 3: Cross multiply
    497,912.85x = 687,116.59 × 283,052.97
  4. Step 4: Simplify right side
    497,912.85x = 194,490,391,535.77
  5. Step 5: Solve for x
    x = 194,490,391,535.77/497,912.85
  6. Step 6: Final answer
    x = 390,611.31

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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.