Home / 739,087.20-1,108,630.80-561,940.20

Finding the Fourth Proportional to 739,087.20, 1,108,630.80 and 561,940.20

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Solution

The fourth proportional to 739,087.20, 1,108,630.80 and 561,940.20 is: 842,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,087.20 : 1,108,630.80 = 561,940.20 : x
  2. Step 2: Convert to fraction form
    739,087.20/1,108,630.80 = 561,940.20/x
  3. Step 3: Cross multiply
    739,087.20x = 1,108,630.80 × 561,940.20
  4. Step 4: Simplify right side
    739,087.20x = 622,984,213,478.16
  5. Step 5: Solve for x
    x = 622,984,213,478.16/739,087.20
  6. Step 6: Final answer
    x = 842,910.30

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Double scale
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Similar ratio
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1.5x scale

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.