Home / 801,290.94-1,105,834.86-461,781.06

Finding the Fourth Proportional to 801,290.94, 1,105,834.86 and 461,781.06

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Solution

The fourth proportional to 801,290.94, 1,105,834.86 and 461,781.06 is: 637,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,290.94 : 1,105,834.86 = 461,781.06 : x
  2. Step 2: Convert to fraction form
    801,290.94/1,105,834.86 = 461,781.06/x
  3. Step 3: Cross multiply
    801,290.94x = 1,105,834.86 × 461,781.06
  4. Step 4: Simplify right side
    801,290.94x = 510,653,593,835.75
  5. Step 5: Solve for x
    x = 510,653,593,835.75/801,290.94
  6. Step 6: Final answer
    x = 637,288.62

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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.