Home / 663,432.55-994,559.48-258,531.03

Finding the Fourth Proportional to 663,432.55, 994,559.48 and 258,531.03

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Solution

The fourth proportional to 663,432.55, 994,559.48 and 258,531.03 is: 387,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,432.55 : 994,559.48 = 258,531.03 : x
  2. Step 2: Convert to fraction form
    663,432.55/994,559.48 = 258,531.03/x
  3. Step 3: Cross multiply
    663,432.55x = 994,559.48 × 258,531.03
  4. Step 4: Simplify right side
    663,432.55x = 257,124,480,495.21
  5. Step 5: Solve for x
    x = 257,124,480,495.21/663,432.55
  6. Step 6: Final answer
    x = 387,566.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.