Home / 871,110.40-1,306,047.84-338,182.24

Finding the Fourth Proportional to 871,110.40, 1,306,047.84 and 338,182.24

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Solution

The fourth proportional to 871,110.40, 1,306,047.84 and 338,182.24 is: 507,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,110.40 : 1,306,047.84 = 338,182.24 : x
  2. Step 2: Convert to fraction form
    871,110.40/1,306,047.84 = 338,182.24/x
  3. Step 3: Cross multiply
    871,110.40x = 1,306,047.84 × 338,182.24
  4. Step 4: Simplify right side
    871,110.40x = 441,682,184,078.36
  5. Step 5: Solve for x
    x = 441,682,184,078.36/871,110.40
  6. Step 6: Final answer
    x = 507,033.53

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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.