Home / 575,755.56-794,544.05-321,123.15

Finding the Fourth Proportional to 575,755.56, 794,544.05 and 321,123.15

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Solution

The fourth proportional to 575,755.56, 794,544.05 and 321,123.15 is: 443,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,755.56 : 794,544.05 = 321,123.15 : x
  2. Step 2: Convert to fraction form
    575,755.56/794,544.05 = 321,123.15/x
  3. Step 3: Cross multiply
    575,755.56x = 794,544.05 × 321,123.15
  4. Step 4: Simplify right side
    575,755.56x = 255,146,488,952.57
  5. Step 5: Solve for x
    x = 255,146,488,952.57/575,755.56
  6. Step 6: Final answer
    x = 443,150.72

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1.5x scale

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.