Home / 428,645.72-591,684.18-292,582.28

Finding the Fourth Proportional to 428,645.72, 591,684.18 and 292,582.28

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Solution

The fourth proportional to 428,645.72, 591,684.18 and 292,582.28 is: 403,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,645.72 : 591,684.18 = 292,582.28 : x
  2. Step 2: Convert to fraction form
    428,645.72/591,684.18 = 292,582.28/x
  3. Step 3: Cross multiply
    428,645.72x = 591,684.18 × 292,582.28
  4. Step 4: Simplify right side
    428,645.72x = 173,116,306,424.33
  5. Step 5: Solve for x
    x = 173,116,306,424.33/428,645.72
  6. Step 6: Final answer
    x = 403,868.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.