Home / 992,676.94-1,488,874.80-318,669.48

Finding the Fourth Proportional to 992,676.94, 1,488,874.80 and 318,669.48

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Solution

The fourth proportional to 992,676.94, 1,488,874.80 and 318,669.48 is: 477,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,676.94 : 1,488,874.80 = 318,669.48 : x
  2. Step 2: Convert to fraction form
    992,676.94/1,488,874.80 = 318,669.48/x
  3. Step 3: Cross multiply
    992,676.94x = 1,488,874.80 × 318,669.48
  4. Step 4: Simplify right side
    992,676.94x = 474,458,958,301.10
  5. Step 5: Solve for x
    x = 474,458,958,301.10/992,676.94
  6. Step 6: Final answer
    x = 477,959.08

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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.