Home / 747,475.62-1,031,501.97-407,946.30

Finding the Fourth Proportional to 747,475.62, 1,031,501.97 and 407,946.30

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Solution

The fourth proportional to 747,475.62, 1,031,501.97 and 407,946.30 is: 562,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,475.62 : 1,031,501.97 = 407,946.30 : x
  2. Step 2: Convert to fraction form
    747,475.62/1,031,501.97 = 407,946.30/x
  3. Step 3: Cross multiply
    747,475.62x = 1,031,501.97 × 407,946.30
  4. Step 4: Simplify right side
    747,475.62x = 420,797,412,104.21
  5. Step 5: Solve for x
    x = 420,797,412,104.21/747,475.62
  6. Step 6: Final answer
    x = 562,958.04

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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.