Home / 739,230.30-1,108,845.45-664,580.70

Finding the Fourth Proportional to 739,230.30, 1,108,845.45 and 664,580.70

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Solution

The fourth proportional to 739,230.30, 1,108,845.45 and 664,580.70 is: 996,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,230.30 : 1,108,845.45 = 664,580.70 : x
  2. Step 2: Convert to fraction form
    739,230.30/1,108,845.45 = 664,580.70/x
  3. Step 3: Cross multiply
    739,230.30x = 1,108,845.45 × 664,580.70
  4. Step 4: Simplify right side
    739,230.30x = 736,917,285,352.82
  5. Step 5: Solve for x
    x = 736,917,285,352.82/739,230.30
  6. Step 6: Final answer
    x = 996,871.05

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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.