Home / 726,646.20-1,089,969.30-371,542.20

Finding the Fourth Proportional to 726,646.20, 1,089,969.30 and 371,542.20

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Solution

The fourth proportional to 726,646.20, 1,089,969.30 and 371,542.20 is: 557,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,646.20 : 1,089,969.30 = 371,542.20 : x
  2. Step 2: Convert to fraction form
    726,646.20/1,089,969.30 = 371,542.20/x
  3. Step 3: Cross multiply
    726,646.20x = 1,089,969.30 × 371,542.20
  4. Step 4: Simplify right side
    726,646.20x = 404,969,591,654.46
  5. Step 5: Solve for x
    x = 404,969,591,654.46/726,646.20
  6. Step 6: Final answer
    x = 557,313.30

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Double scale
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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.