Home / 871,751.16-1,309,595.18-516,997.89

Finding the Fourth Proportional to 871,751.16, 1,309,595.18 and 516,997.89

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Solution

The fourth proportional to 871,751.16, 1,309,595.18 and 516,997.89 is: 776,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,751.16 : 1,309,595.18 = 516,997.89 : x
  2. Step 2: Convert to fraction form
    871,751.16/1,309,595.18 = 516,997.89/x
  3. Step 3: Cross multiply
    871,751.16x = 1,309,595.18 × 516,997.89
  4. Step 4: Simplify right side
    871,751.16x = 677,057,942,229.18
  5. Step 5: Solve for x
    x = 677,057,942,229.18/871,751.16
  6. Step 6: Final answer
    x = 776,664.23

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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.