Home / 992,635.26-1,488,226.98-318,332.73

Finding the Fourth Proportional to 992,635.26, 1,488,226.98 and 318,332.73

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Solution

The fourth proportional to 992,635.26, 1,488,226.98 and 318,332.73 is: 477,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,635.26 : 1,488,226.98 = 318,332.73 : x
  2. Step 2: Convert to fraction form
    992,635.26/1,488,226.98 = 318,332.73/x
  3. Step 3: Cross multiply
    992,635.26x = 1,488,226.98 × 318,332.73
  4. Step 4: Simplify right side
    992,635.26x = 473,751,357,403.06
  5. Step 5: Solve for x
    x = 473,751,357,403.06/992,635.26
  6. Step 6: Final answer
    x = 477,266.30

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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.