Home / 439,724.20-658,808.70-372,850.60

Finding the Fourth Proportional to 439,724.20, 658,808.70 and 372,850.60

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Solution

The fourth proportional to 439,724.20, 658,808.70 and 372,850.60 is: 558,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,724.20 : 658,808.70 = 372,850.60 : x
  2. Step 2: Convert to fraction form
    439,724.20/658,808.70 = 372,850.60/x
  3. Step 3: Cross multiply
    439,724.20x = 658,808.70 × 372,850.60
  4. Step 4: Simplify right side
    439,724.20x = 245,637,219,080.22
  5. Step 5: Solve for x
    x = 245,637,219,080.22/439,724.20
  6. Step 6: Final answer
    x = 558,616.56

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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.