Home / 992,635.01-1,488,226.61-318,332.48

Finding the Fourth Proportional to 992,635.01, 1,488,226.61 and 318,332.48

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Solution

The fourth proportional to 992,635.01, 1,488,226.61 and 318,332.48 is: 477,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,635.01 : 1,488,226.61 = 318,332.48 : x
  2. Step 2: Convert to fraction form
    992,635.01/1,488,226.61 = 318,332.48/x
  3. Step 3: Cross multiply
    992,635.01x = 1,488,226.61 × 318,332.48
  4. Step 4: Simplify right side
    992,635.01x = 473,750,865,971.63
  5. Step 5: Solve for x
    x = 473,750,865,971.63/992,635.01
  6. Step 6: Final answer
    x = 477,265.92

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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.