Home / 747,331.11-1,031,307.26-407,793.51

Finding the Fourth Proportional to 747,331.11, 1,031,307.26 and 407,793.51

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Solution

The fourth proportional to 747,331.11, 1,031,307.26 and 407,793.51 is: 562,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,331.11 : 1,031,307.26 = 407,793.51 : x
  2. Step 2: Convert to fraction form
    747,331.11/1,031,307.26 = 407,793.51/x
  3. Step 3: Cross multiply
    747,331.11x = 1,031,307.26 × 407,793.51
  4. Step 4: Simplify right side
    747,331.11x = 420,560,405,404.92
  5. Step 5: Solve for x
    x = 420,560,405,404.92/747,331.11
  6. Step 6: Final answer
    x = 562,749.76

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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.