Home / 676,814.20-1,015,349.32-272,037.92

Finding the Fourth Proportional to 676,814.20, 1,015,349.32 and 272,037.92

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Solution

The fourth proportional to 676,814.20, 1,015,349.32 and 272,037.92 is: 408,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,814.20 : 1,015,349.32 = 272,037.92 : x
  2. Step 2: Convert to fraction form
    676,814.20/1,015,349.32 = 272,037.92/x
  3. Step 3: Cross multiply
    676,814.20x = 1,015,349.32 × 272,037.92
  4. Step 4: Simplify right side
    676,814.20x = 276,213,516,497.12
  5. Step 5: Solve for x
    x = 276,213,516,497.12/676,814.20
  6. Step 6: Final answer
    x = 408,108.33

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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.