Home / 747,104.76-1,120,657.11-412,273.56

Finding the Fourth Proportional to 747,104.76, 1,120,657.11 and 412,273.56

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Solution

The fourth proportional to 747,104.76, 1,120,657.11 and 412,273.56 is: 618,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,104.76 : 1,120,657.11 = 412,273.56 : x
  2. Step 2: Convert to fraction form
    747,104.76/1,120,657.11 = 412,273.56/x
  3. Step 3: Cross multiply
    747,104.76x = 1,120,657.11 × 412,273.56
  4. Step 4: Simplify right side
    747,104.76x = 462,017,296,279.01
  5. Step 5: Solve for x
    x = 462,017,296,279.01/747,104.76
  6. Step 6: Final answer
    x = 618,410.32

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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.