Home / 739,218.30-1,108,827.45-664,568.70

Finding the Fourth Proportional to 739,218.30, 1,108,827.45 and 664,568.70

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Solution

The fourth proportional to 739,218.30, 1,108,827.45 and 664,568.70 is: 996,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,218.30 : 1,108,827.45 = 664,568.70 : x
  2. Step 2: Convert to fraction form
    739,218.30/1,108,827.45 = 664,568.70/x
  3. Step 3: Cross multiply
    739,218.30x = 1,108,827.45 × 664,568.70
  4. Step 4: Simplify right side
    739,218.30x = 736,892,016,970.82
  5. Step 5: Solve for x
    x = 736,892,016,970.82/739,218.30
  6. Step 6: Final answer
    x = 996,853.05

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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.