Home / 992,213.45-1,488,180.06-318,207.18

Finding the Fourth Proportional to 992,213.45, 1,488,180.06 and 318,207.18

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Solution

The fourth proportional to 992,213.45, 1,488,180.06 and 318,207.18 is: 477,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,213.45 : 1,488,180.06 = 318,207.18 : x
  2. Step 2: Convert to fraction form
    992,213.45/1,488,180.06 = 318,207.18/x
  3. Step 3: Cross multiply
    992,213.45x = 1,488,180.06 × 318,207.18
  4. Step 4: Simplify right side
    992,213.45x = 473,549,585,805.51
  5. Step 5: Solve for x
    x = 473,549,585,805.51/992,213.45
  6. Step 6: Final answer
    x = 477,265.84

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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.