Home / 555,836.81-766,758.98-338,112.05

Finding the Fourth Proportional to 555,836.81, 766,758.98 and 338,112.05

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Solution

The fourth proportional to 555,836.81, 766,758.98 and 338,112.05 is: 466,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,836.81 : 766,758.98 = 338,112.05 : x
  2. Step 2: Convert to fraction form
    555,836.81/766,758.98 = 338,112.05/x
  3. Step 3: Cross multiply
    555,836.81x = 766,758.98 × 338,112.05
  4. Step 4: Simplify right side
    555,836.81x = 259,250,445,059.35
  5. Step 5: Solve for x
    x = 259,250,445,059.35/555,836.81
  6. Step 6: Final answer
    x = 466,414.68

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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.