Home / 859,751.00-1,287,659.81-410,787.44

Finding the Fourth Proportional to 859,751.00, 1,287,659.81 and 410,787.44

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Solution

The fourth proportional to 859,751.00, 1,287,659.81 and 410,787.44 is: 615,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,751.00 : 1,287,659.81 = 410,787.44 : x
  2. Step 2: Convert to fraction form
    859,751.00/1,287,659.81 = 410,787.44/x
  3. Step 3: Cross multiply
    859,751.00x = 1,287,659.81 × 410,787.44
  4. Step 4: Simplify right side
    859,751.00x = 528,954,471,529.46
  5. Step 5: Solve for x
    x = 528,954,471,529.46/859,751.00
  6. Step 6: Final answer
    x = 615,241.48

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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.