Home / 712,507.68-1,068,763.56-172,761.81

Finding the Fourth Proportional to 712,507.68, 1,068,763.56 and 172,761.81

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Solution

The fourth proportional to 712,507.68, 1,068,763.56 and 172,761.81 is: 259,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,507.68 : 1,068,763.56 = 172,761.81 : x
  2. Step 2: Convert to fraction form
    712,507.68/1,068,763.56 = 172,761.81/x
  3. Step 3: Cross multiply
    712,507.68x = 1,068,763.56 × 172,761.81
  4. Step 4: Simplify right side
    712,507.68x = 184,641,527,087.64
  5. Step 5: Solve for x
    x = 184,641,527,087.64/712,507.68
  6. Step 6: Final answer
    x = 259,143.21

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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.