Home / 747,749.25-1,031,888.68-408,217.50

Finding the Fourth Proportional to 747,749.25, 1,031,888.68 and 408,217.50

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Solution

The fourth proportional to 747,749.25, 1,031,888.68 and 408,217.50 is: 563,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,749.25 : 1,031,888.68 = 408,217.50 : x
  2. Step 2: Convert to fraction form
    747,749.25/1,031,888.68 = 408,217.50/x
  3. Step 3: Cross multiply
    747,749.25x = 1,031,888.68 × 408,217.50
  4. Step 4: Simplify right side
    747,749.25x = 421,235,016,207.36
  5. Step 5: Solve for x
    x = 421,235,016,207.36/747,749.25
  6. Step 6: Final answer
    x = 563,337.26

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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.