Home / 880,923.20-1,215,759.09-493,804.13

Finding the Fourth Proportional to 880,923.20, 1,215,759.09 and 493,804.13

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Solution

The fourth proportional to 880,923.20, 1,215,759.09 and 493,804.13 is: 681,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,923.20 : 1,215,759.09 = 493,804.13 : x
  2. Step 2: Convert to fraction form
    880,923.20/1,215,759.09 = 493,804.13/x
  3. Step 3: Cross multiply
    880,923.20x = 1,215,759.09 × 493,804.13
  4. Step 4: Simplify right side
    880,923.20x = 600,346,859,727.04
  5. Step 5: Solve for x
    x = 600,346,859,727.04/880,923.20
  6. Step 6: Final answer
    x = 681,497.39

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Double scale
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1.5x scale

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.