Home / 747,750.88-1,031,955.12-425,474.56

Finding the Fourth Proportional to 747,750.88, 1,031,955.12 and 425,474.56

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Solution

The fourth proportional to 747,750.88, 1,031,955.12 and 425,474.56 is: 587,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,750.88 : 1,031,955.12 = 425,474.56 : x
  2. Step 2: Convert to fraction form
    747,750.88/1,031,955.12 = 425,474.56/x
  3. Step 3: Cross multiply
    747,750.88x = 1,031,955.12 × 425,474.56
  4. Step 4: Simplify right side
    747,750.88x = 439,070,650,621.75
  5. Step 5: Solve for x
    x = 439,070,650,621.75/747,750.88
  6. Step 6: Final answer
    x = 587,188.41

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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.