Home / 498,445.98-687,846.64-283,581.42

Finding the Fourth Proportional to 498,445.98, 687,846.64 and 283,581.42

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Solution

The fourth proportional to 498,445.98, 687,846.64 and 283,581.42 is: 391,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,445.98 : 687,846.64 = 283,581.42 : x
  2. Step 2: Convert to fraction form
    498,445.98/687,846.64 = 283,581.42/x
  3. Step 3: Cross multiply
    498,445.98x = 687,846.64 × 283,581.42
  4. Step 4: Simplify right side
    498,445.98x = 195,060,526,913.43
  5. Step 5: Solve for x
    x = 195,060,526,913.43/498,445.98
  6. Step 6: Final answer
    x = 391,337.35

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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.