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Finding the Fourth Proportional to 655,077.46, 981,041.55 and 373,741.78

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Solution

The fourth proportional to 655,077.46, 981,041.55 and 373,741.78 is: 559,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,077.46 : 981,041.55 = 373,741.78 : x
  2. Step 2: Convert to fraction form
    655,077.46/981,041.55 = 373,741.78/x
  3. Step 3: Cross multiply
    655,077.46x = 981,041.55 × 373,741.78
  4. Step 4: Simplify right side
    655,077.46x = 366,656,215,150.96
  5. Step 5: Solve for x
    x = 366,656,215,150.96/655,077.46
  6. Step 6: Final answer
    x = 559,714.29

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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.