Home / 658,923.30-909,370.53-372,494.34

Finding the Fourth Proportional to 658,923.30, 909,370.53 and 372,494.34

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Solution

The fourth proportional to 658,923.30, 909,370.53 and 372,494.34 is: 514,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,923.30 : 909,370.53 = 372,494.34 : x
  2. Step 2: Convert to fraction form
    658,923.30/909,370.53 = 372,494.34/x
  3. Step 3: Cross multiply
    658,923.30x = 909,370.53 × 372,494.34
  4. Step 4: Simplify right side
    658,923.30x = 338,735,375,387.80
  5. Step 5: Solve for x
    x = 338,735,375,387.80/658,923.30
  6. Step 6: Final answer
    x = 514,074.06

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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.