Home / 747,922.40-1,122,272.40-327,240.80

Finding the Fourth Proportional to 747,922.40, 1,122,272.40 and 327,240.80

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Solution

The fourth proportional to 747,922.40, 1,122,272.40 and 327,240.80 is: 491,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,922.40 : 1,122,272.40 = 327,240.80 : x
  2. Step 2: Convert to fraction form
    747,922.40/1,122,272.40 = 327,240.80/x
  3. Step 3: Cross multiply
    747,922.40x = 1,122,272.40 × 327,240.80
  4. Step 4: Simplify right side
    747,922.40x = 367,253,317,993.92
  5. Step 5: Solve for x
    x = 367,253,317,993.92/747,922.40
  6. Step 6: Final answer
    x = 491,031.31

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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.