Home / 801,253.70-1,105,727.15-457,089.04

Finding the Fourth Proportional to 801,253.70, 1,105,727.15 and 457,089.04

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Solution

The fourth proportional to 801,253.70, 1,105,727.15 and 457,089.04 is: 630,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,253.70 : 1,105,727.15 = 457,089.04 : x
  2. Step 2: Convert to fraction form
    801,253.70/1,105,727.15 = 457,089.04/x
  3. Step 3: Cross multiply
    801,253.70x = 1,105,727.15 × 457,089.04
  4. Step 4: Simplify right side
    801,253.70x = 505,415,759,355.53
  5. Step 5: Solve for x
    x = 505,415,759,355.53/801,253.70
  6. Step 6: Final answer
    x = 630,781.19

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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.