Home / 749,067.10-1,123,600.65-655,755.10

Finding the Fourth Proportional to 749,067.10, 1,123,600.65 and 655,755.10

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Solution

The fourth proportional to 749,067.10, 1,123,600.65 and 655,755.10 is: 983,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,067.10 : 1,123,600.65 = 655,755.10 : x
  2. Step 2: Convert to fraction form
    749,067.10/1,123,600.65 = 655,755.10/x
  3. Step 3: Cross multiply
    749,067.10x = 1,123,600.65 × 655,755.10
  4. Step 4: Simplify right side
    749,067.10x = 736,806,856,600.82
  5. Step 5: Solve for x
    x = 736,806,856,600.82/749,067.10
  6. Step 6: Final answer
    x = 983,632.65

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Double scale
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Similar ratio
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1.5x scale

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.