Home / 747,749.24-1,031,854.92-408,151.88

Finding the Fourth Proportional to 747,749.24, 1,031,854.92 and 408,151.88

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Solution

The fourth proportional to 747,749.24, 1,031,854.92 and 408,151.88 is: 563,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,749.24 : 1,031,854.92 = 408,151.88 : x
  2. Step 2: Convert to fraction form
    747,749.24/1,031,854.92 = 408,151.88/x
  3. Step 3: Cross multiply
    747,749.24x = 1,031,854.92 × 408,151.88
  4. Step 4: Simplify right side
    747,749.24x = 421,153,525,485.25
  5. Step 5: Solve for x
    x = 421,153,525,485.25/747,749.24
  6. Step 6: Final answer
    x = 563,228.29

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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.