Home / 555,835.31-766,756.91-338,110.55

Finding the Fourth Proportional to 555,835.31, 766,756.91 and 338,110.55

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Solution

The fourth proportional to 555,835.31, 766,756.91 and 338,110.55 is: 466,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,835.31 : 766,756.91 = 338,110.55 : x
  2. Step 2: Convert to fraction form
    555,835.31/766,756.91 = 338,110.55/x
  3. Step 3: Cross multiply
    555,835.31x = 766,756.91 × 338,110.55
  4. Step 4: Simplify right side
    555,835.31x = 259,248,595,032.06
  5. Step 5: Solve for x
    x = 259,248,595,032.06/555,835.31
  6. Step 6: Final answer
    x = 466,412.61

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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.