Home / 804,958.38-1,110,788.70-442,374.42

Finding the Fourth Proportional to 804,958.38, 1,110,788.70 and 442,374.42

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Solution

The fourth proportional to 804,958.38, 1,110,788.70 and 442,374.42 is: 610,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,958.38 : 1,110,788.70 = 442,374.42 : x
  2. Step 2: Convert to fraction form
    804,958.38/1,110,788.70 = 442,374.42/x
  3. Step 3: Cross multiply
    804,958.38x = 1,110,788.70 × 442,374.42
  4. Step 4: Simplify right side
    804,958.38x = 491,384,506,905.05
  5. Step 5: Solve for x
    x = 491,384,506,905.05/804,958.38
  6. Step 6: Final answer
    x = 610,447.10

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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.