Home / 747,619.78-1,121,375.44-292,125.39

Finding the Fourth Proportional to 747,619.78, 1,121,375.44 and 292,125.39

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Solution

The fourth proportional to 747,619.78, 1,121,375.44 and 292,125.39 is: 438,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,619.78 : 1,121,375.44 = 292,125.39 : x
  2. Step 2: Convert to fraction form
    747,619.78/1,121,375.44 = 292,125.39/x
  3. Step 3: Cross multiply
    747,619.78x = 1,121,375.44 × 292,125.39
  4. Step 4: Simplify right side
    747,619.78x = 327,582,237,746.42
  5. Step 5: Solve for x
    x = 327,582,237,746.42/747,619.78
  6. Step 6: Final answer
    x = 438,166.90

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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.