Home / 992,196.38-1,488,302.77-318,283.27

Finding the Fourth Proportional to 992,196.38, 1,488,302.77 and 318,283.27

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Solution

The fourth proportional to 992,196.38, 1,488,302.77 and 318,283.27 is: 477,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,196.38 : 1,488,302.77 = 318,283.27 : x
  2. Step 2: Convert to fraction form
    992,196.38/1,488,302.77 = 318,283.27/x
  3. Step 3: Cross multiply
    992,196.38x = 1,488,302.77 × 318,283.27
  4. Step 4: Simplify right side
    992,196.38x = 473,701,872,385.66
  5. Step 5: Solve for x
    x = 473,701,872,385.66/992,196.38
  6. Step 6: Final answer
    x = 477,427.54

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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.