Home / 747,891.40-1,122,225.90-327,209.80

Finding the Fourth Proportional to 747,891.40, 1,122,225.90 and 327,209.80

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Solution

The fourth proportional to 747,891.40, 1,122,225.90 and 327,209.80 is: 490,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,891.40 : 1,122,225.90 = 327,209.80 : x
  2. Step 2: Convert to fraction form
    747,891.40/1,122,225.90 = 327,209.80/x
  3. Step 3: Cross multiply
    747,891.40x = 1,122,225.90 × 327,209.80
  4. Step 4: Simplify right side
    747,891.40x = 367,203,312,293.82
  5. Step 5: Solve for x
    x = 367,203,312,293.82/747,891.40
  6. Step 6: Final answer
    x = 490,984.80

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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.