Home / 741,625.20-1,112,437.80-664,642.80

Finding the Fourth Proportional to 741,625.20, 1,112,437.80 and 664,642.80

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Solution

The fourth proportional to 741,625.20, 1,112,437.80 and 664,642.80 is: 996,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,625.20 : 1,112,437.80 = 664,642.80 : x
  2. Step 2: Convert to fraction form
    741,625.20/1,112,437.80 = 664,642.80/x
  3. Step 3: Cross multiply
    741,625.20x = 1,112,437.80 × 664,642.80
  4. Step 4: Simplify right side
    741,625.20x = 739,373,774,217.84
  5. Step 5: Solve for x
    x = 739,373,774,217.84/741,625.20
  6. Step 6: Final answer
    x = 996,964.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.