Home / 840,882.76-1,160,443.14-458,934.28

Finding the Fourth Proportional to 840,882.76, 1,160,443.14 and 458,934.28

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Solution

The fourth proportional to 840,882.76, 1,160,443.14 and 458,934.28 is: 633,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,882.76 : 1,160,443.14 = 458,934.28 : x
  2. Step 2: Convert to fraction form
    840,882.76/1,160,443.14 = 458,934.28/x
  3. Step 3: Cross multiply
    840,882.76x = 1,160,443.14 × 458,934.28
  4. Step 4: Simplify right side
    840,882.76x = 532,567,136,936.84
  5. Step 5: Solve for x
    x = 532,567,136,936.84/840,882.76
  6. Step 6: Final answer
    x = 633,342.91

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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.