Home / 992,632.26-1,488,222.48-318,329.73

Finding the Fourth Proportional to 992,632.26, 1,488,222.48 and 318,329.73

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Solution

The fourth proportional to 992,632.26, 1,488,222.48 and 318,329.73 is: 477,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,632.26 : 1,488,222.48 = 318,329.73 : x
  2. Step 2: Convert to fraction form
    992,632.26/1,488,222.48 = 318,329.73/x
  3. Step 3: Cross multiply
    992,632.26x = 1,488,222.48 × 318,329.73
  4. Step 4: Simplify right side
    992,632.26x = 473,745,460,238.33
  5. Step 5: Solve for x
    x = 473,745,460,238.33/992,632.26
  6. Step 6: Final answer
    x = 477,261.80

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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.