Home / 739,164.20-1,108,746.30-664,368.80

Finding the Fourth Proportional to 739,164.20, 1,108,746.30 and 664,368.80

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Solution

The fourth proportional to 739,164.20, 1,108,746.30 and 664,368.80 is: 996,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,164.20 : 1,108,746.30 = 664,368.80 : x
  2. Step 2: Convert to fraction form
    739,164.20/1,108,746.30 = 664,368.80/x
  3. Step 3: Cross multiply
    739,164.20x = 1,108,746.30 × 664,368.80
  4. Step 4: Simplify right side
    739,164.20x = 736,616,448,835.44
  5. Step 5: Solve for x
    x = 736,616,448,835.44/739,164.20
  6. Step 6: Final answer
    x = 996,553.20

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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.