Home / 992,637.01-1,488,229.60-318,334.48

Finding the Fourth Proportional to 992,637.01, 1,488,229.60 and 318,334.48

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Solution

The fourth proportional to 992,637.01, 1,488,229.60 and 318,334.48 is: 477,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,637.01 : 1,488,229.60 = 318,334.48 : x
  2. Step 2: Convert to fraction form
    992,637.01/1,488,229.60 = 318,334.48/x
  3. Step 3: Cross multiply
    992,637.01x = 1,488,229.60 × 318,334.48
  4. Step 4: Simplify right side
    992,637.01x = 473,754,795,836.61
  5. Step 5: Solve for x
    x = 473,754,795,836.61/992,637.01
  6. Step 6: Final answer
    x = 477,268.92

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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.