Home / 809,459.59-1,213,977.82-240,687.51

Finding the Fourth Proportional to 809,459.59, 1,213,977.82 and 240,687.51

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Solution

The fourth proportional to 809,459.59, 1,213,977.82 and 240,687.51 is: 360,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,459.59 : 1,213,977.82 = 240,687.51 : x
  2. Step 2: Convert to fraction form
    809,459.59/1,213,977.82 = 240,687.51/x
  3. Step 3: Cross multiply
    809,459.59x = 1,213,977.82 × 240,687.51
  4. Step 4: Simplify right side
    809,459.59x = 292,189,298,691.03
  5. Step 5: Solve for x
    x = 292,189,298,691.03/809,459.59
  6. Step 6: Final answer
    x = 360,968.36

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1.5x scale

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.