Home / 871,629.86-1,306,695.92-302,937.10

Finding the Fourth Proportional to 871,629.86, 1,306,695.92 and 302,937.10

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Solution

The fourth proportional to 871,629.86, 1,306,695.92 and 302,937.10 is: 454,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,629.86 : 1,306,695.92 = 302,937.10 : x
  2. Step 2: Convert to fraction form
    871,629.86/1,306,695.92 = 302,937.10/x
  3. Step 3: Cross multiply
    871,629.86x = 1,306,695.92 × 302,937.10
  4. Step 4: Simplify right side
    871,629.86x = 395,846,667,805.21
  5. Step 5: Solve for x
    x = 395,846,667,805.21/871,629.86
  6. Step 6: Final answer
    x = 454,145.37

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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.