Home / 801,010.76-1,105,405.24-438,426.84

Finding the Fourth Proportional to 801,010.76, 1,105,405.24 and 438,426.84

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Solution

The fourth proportional to 801,010.76, 1,105,405.24 and 438,426.84 is: 605,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,010.76 : 1,105,405.24 = 438,426.84 : x
  2. Step 2: Convert to fraction form
    801,010.76/1,105,405.24 = 438,426.84/x
  3. Step 3: Cross multiply
    801,010.76x = 1,105,405.24 × 438,426.84
  4. Step 4: Simplify right side
    801,010.76x = 484,639,326,116.98
  5. Step 5: Solve for x
    x = 484,639,326,116.98/801,010.76
  6. Step 6: Final answer
    x = 605,034.73

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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.