Home / 755,037.45-1,041,951.85-415,505.70

Finding the Fourth Proportional to 755,037.45, 1,041,951.85 and 415,505.70

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Solution

The fourth proportional to 755,037.45, 1,041,951.85 and 415,505.70 is: 573,397.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,037.45 : 1,041,951.85 = 415,505.70 : x
  2. Step 2: Convert to fraction form
    755,037.45/1,041,951.85 = 415,505.70/x
  3. Step 3: Cross multiply
    755,037.45x = 1,041,951.85 × 415,505.70
  4. Step 4: Simplify right side
    755,037.45x = 432,936,932,800.55
  5. Step 5: Solve for x
    x = 432,936,932,800.55/755,037.45
  6. Step 6: Final answer
    x = 573,397.96

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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.