Home / 439,219.40-658,829.10-360,422.60

Finding the Fourth Proportional to 439,219.40, 658,829.10 and 360,422.60

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Solution

The fourth proportional to 439,219.40, 658,829.10 and 360,422.60 is: 540,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,219.40 : 658,829.10 = 360,422.60 : x
  2. Step 2: Convert to fraction form
    439,219.40/658,829.10 = 360,422.60/x
  3. Step 3: Cross multiply
    439,219.40x = 658,829.10 × 360,422.60
  4. Step 4: Simplify right side
    439,219.40x = 237,456,897,177.66
  5. Step 5: Solve for x
    x = 237,456,897,177.66/439,219.40
  6. Step 6: Final answer
    x = 540,633.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.