Home / 753,115.02-1,039,311.23-408,951.61

Finding the Fourth Proportional to 753,115.02, 1,039,311.23 and 408,951.61

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Solution

The fourth proportional to 753,115.02, 1,039,311.23 and 408,951.61 is: 564,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,115.02 : 1,039,311.23 = 408,951.61 : x
  2. Step 2: Convert to fraction form
    753,115.02/1,039,311.23 = 408,951.61/x
  3. Step 3: Cross multiply
    753,115.02x = 1,039,311.23 × 408,951.61
  4. Step 4: Simplify right side
    753,115.02x = 425,028,000,229.78
  5. Step 5: Solve for x
    x = 425,028,000,229.78/753,115.02
  6. Step 6: Final answer
    x = 564,360.01

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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.