Home / 532,739.20-799,562.40-217,422.40

Finding the Fourth Proportional to 532,739.20, 799,562.40 and 217,422.40

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Solution

The fourth proportional to 532,739.20, 799,562.40 and 217,422.40 is: 326,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,739.20 : 799,562.40 = 217,422.40 : x
  2. Step 2: Convert to fraction form
    532,739.20/799,562.40 = 217,422.40/x
  3. Step 3: Cross multiply
    532,739.20x = 799,562.40 × 217,422.40
  4. Step 4: Simplify right side
    532,739.20x = 173,842,775,957.76
  5. Step 5: Solve for x
    x = 173,842,775,957.76/532,739.20
  6. Step 6: Final answer
    x = 326,318.72

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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.