Home / 834,989.26-1,252,311.63-408,086.86

Finding the Fourth Proportional to 834,989.26, 1,252,311.63 and 408,086.86

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Solution

The fourth proportional to 834,989.26, 1,252,311.63 and 408,086.86 is: 612,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,989.26 : 1,252,311.63 = 408,086.86 : x
  2. Step 2: Convert to fraction form
    834,989.26/1,252,311.63 = 408,086.86/x
  3. Step 3: Cross multiply
    834,989.26x = 1,252,311.63 × 408,086.86
  4. Step 4: Simplify right side
    834,989.26x = 511,051,920,828.18
  5. Step 5: Solve for x
    x = 511,051,920,828.18/834,989.26
  6. Step 6: Final answer
    x = 612,046.10

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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.