Home / 396,090.12-546,400.98-260,104.38

Finding the Fourth Proportional to 396,090.12, 546,400.98 and 260,104.38

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Solution

The fourth proportional to 396,090.12, 546,400.98 and 260,104.38 is: 358,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,090.12 : 546,400.98 = 260,104.38 : x
  2. Step 2: Convert to fraction form
    396,090.12/546,400.98 = 260,104.38/x
  3. Step 3: Cross multiply
    396,090.12x = 546,400.98 × 260,104.38
  4. Step 4: Simplify right side
    396,090.12x = 142,121,288,134.29
  5. Step 5: Solve for x
    x = 142,121,288,134.29/396,090.12
  6. Step 6: Final answer
    x = 358,810.49

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1.5x scale

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.