Home / 871,111.40-1,306,049.34-338,183.24

Finding the Fourth Proportional to 871,111.40, 1,306,049.34 and 338,183.24

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Solution

The fourth proportional to 871,111.40, 1,306,049.34 and 338,183.24 is: 507,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,111.40 : 1,306,049.34 = 338,183.24 : x
  2. Step 2: Convert to fraction form
    871,111.40/1,306,049.34 = 338,183.24/x
  3. Step 3: Cross multiply
    871,111.40x = 1,306,049.34 × 338,183.24
  4. Step 4: Simplify right side
    871,111.40x = 441,683,997,401.06
  5. Step 5: Solve for x
    x = 441,683,997,401.06/871,111.40
  6. Step 6: Final answer
    x = 507,035.03

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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.