Home / 631,184.08-871,029.58-344,704.24

Finding the Fourth Proportional to 631,184.08, 871,029.58 and 344,704.24

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Solution

The fourth proportional to 631,184.08, 871,029.58 and 344,704.24 is: 475,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,184.08 : 871,029.58 = 344,704.24 : x
  2. Step 2: Convert to fraction form
    631,184.08/871,029.58 = 344,704.24/x
  3. Step 3: Cross multiply
    631,184.08x = 871,029.58 × 344,704.24
  4. Step 4: Simplify right side
    631,184.08x = 300,247,589,391.42
  5. Step 5: Solve for x
    x = 300,247,589,391.42/631,184.08
  6. Step 6: Final answer
    x = 475,689.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.