Home / 439,701.20-658,774.20-372,827.60

Finding the Fourth Proportional to 439,701.20, 658,774.20 and 372,827.60

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Solution

The fourth proportional to 439,701.20, 658,774.20 and 372,827.60 is: 558,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,701.20 : 658,774.20 = 372,827.60 : x
  2. Step 2: Convert to fraction form
    439,701.20/658,774.20 = 372,827.60/x
  3. Step 3: Cross multiply
    439,701.20x = 658,774.20 × 372,827.60
  4. Step 4: Simplify right side
    439,701.20x = 245,609,203,927.92
  5. Step 5: Solve for x
    x = 245,609,203,927.92/439,701.20
  6. Step 6: Final answer
    x = 558,582.06

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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.