Home / 632,147.12-871,617.64-510,913.52

Finding the Fourth Proportional to 632,147.12, 871,617.64 and 510,913.52

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Solution

The fourth proportional to 632,147.12, 871,617.64 and 510,913.52 is: 704,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,147.12 : 871,617.64 = 510,913.52 : x
  2. Step 2: Convert to fraction form
    632,147.12/871,617.64 = 510,913.52/x
  3. Step 3: Cross multiply
    632,147.12x = 871,617.64 × 510,913.52
  4. Step 4: Simplify right side
    632,147.12x = 445,321,236,546.49
  5. Step 5: Solve for x
    x = 445,321,236,546.49/632,147.12
  6. Step 6: Final answer
    x = 704,458.22

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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.