Home / 747,294.88-1,031,273.04-407,768.80

Finding the Fourth Proportional to 747,294.88, 1,031,273.04 and 407,768.80

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Solution

The fourth proportional to 747,294.88, 1,031,273.04 and 407,768.80 is: 562,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,294.88 : 1,031,273.04 = 407,768.80 : x
  2. Step 2: Convert to fraction form
    747,294.88/1,031,273.04 = 407,768.80/x
  3. Step 3: Cross multiply
    747,294.88x = 1,031,273.04 × 407,768.80
  4. Step 4: Simplify right side
    747,294.88x = 420,520,969,993.15
  5. Step 5: Solve for x
    x = 420,520,969,993.15/747,294.88
  6. Step 6: Final answer
    x = 562,724.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.