Home / 747,650.52-1,121,475.68-412,820.15

Finding the Fourth Proportional to 747,650.52, 1,121,475.68 and 412,820.15

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Solution

The fourth proportional to 747,650.52, 1,121,475.68 and 412,820.15 is: 619,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,650.52 : 1,121,475.68 = 412,820.15 : x
  2. Step 2: Convert to fraction form
    747,650.52/1,121,475.68 = 412,820.15/x
  3. Step 3: Cross multiply
    747,650.52x = 1,121,475.68 × 412,820.15
  4. Step 4: Simplify right side
    747,650.52x = 462,967,752,315.55
  5. Step 5: Solve for x
    x = 462,967,752,315.55/747,650.52
  6. Step 6: Final answer
    x = 619,230.16

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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.