Home / 809,459.31-1,213,977.32-240,687.24

Finding the Fourth Proportional to 809,459.31, 1,213,977.32 and 240,687.24

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Solution

The fourth proportional to 809,459.31, 1,213,977.32 and 240,687.24 is: 360,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,459.31 : 1,213,977.32 = 240,687.24 : x
  2. Step 2: Convert to fraction form
    809,459.31/1,213,977.32 = 240,687.24/x
  3. Step 3: Cross multiply
    809,459.31x = 1,213,977.32 × 240,687.24
  4. Step 4: Simplify right side
    809,459.31x = 292,188,850,573.40
  5. Step 5: Solve for x
    x = 292,188,850,573.40/809,459.31
  6. Step 6: Final answer
    x = 360,967.93

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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.