Home / 992,422.26-1,488,454.88-262,950.39

Finding the Fourth Proportional to 992,422.26, 1,488,454.88 and 262,950.39

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Solution

The fourth proportional to 992,422.26, 1,488,454.88 and 262,950.39 is: 394,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,422.26 : 1,488,454.88 = 262,950.39 : x
  2. Step 2: Convert to fraction form
    992,422.26/1,488,454.88 = 262,950.39/x
  3. Step 3: Cross multiply
    992,422.26x = 1,488,454.88 × 262,950.39
  4. Step 4: Simplify right side
    992,422.26x = 391,389,789,878.65
  5. Step 5: Solve for x
    x = 391,389,789,878.65/992,422.26
  6. Step 6: Final answer
    x = 394,378.29

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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.