Home / 718,297.24-991,367.22-432,106.60

Finding the Fourth Proportional to 718,297.24, 991,367.22 and 432,106.60

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Solution

The fourth proportional to 718,297.24, 991,367.22 and 432,106.60 is: 596,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,297.24 : 991,367.22 = 432,106.60 : x
  2. Step 2: Convert to fraction form
    718,297.24/991,367.22 = 432,106.60/x
  3. Step 3: Cross multiply
    718,297.24x = 991,367.22 × 432,106.60
  4. Step 4: Simplify right side
    718,297.24x = 428,376,318,785.65
  5. Step 5: Solve for x
    x = 428,376,318,785.65/718,297.24
  6. Step 6: Final answer
    x = 596,377.51

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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.