Home / 801,427.86-1,105,960.02-457,254.78

Finding the Fourth Proportional to 801,427.86, 1,105,960.02 and 457,254.78

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Solution

The fourth proportional to 801,427.86, 1,105,960.02 and 457,254.78 is: 631,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,427.86 : 1,105,960.02 = 457,254.78 : x
  2. Step 2: Convert to fraction form
    801,427.86/1,105,960.02 = 457,254.78/x
  3. Step 3: Cross multiply
    801,427.86x = 1,105,960.02 × 457,254.78
  4. Step 4: Simplify right side
    801,427.86x = 505,705,505,633.90
  5. Step 5: Solve for x
    x = 505,705,505,633.90/801,427.86
  6. Step 6: Final answer
    x = 631,005.65

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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.