Home / 801,191.04-1,105,643.52-438,613.74

Finding the Fourth Proportional to 801,191.04, 1,105,643.52 and 438,613.74

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Solution

The fourth proportional to 801,191.04, 1,105,643.52 and 438,613.74 is: 605,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,191.04 : 1,105,643.52 = 438,613.74 : x
  2. Step 2: Convert to fraction form
    801,191.04/1,105,643.52 = 438,613.74/x
  3. Step 3: Cross multiply
    801,191.04x = 1,105,643.52 × 438,613.74
  4. Step 4: Simplify right side
    801,191.04x = 484,950,439,413.97
  5. Step 5: Solve for x
    x = 484,950,439,413.97/801,191.04
  6. Step 6: Final answer
    x = 605,286.90

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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.