Home / 517,040.20-775,577.58-143,031.88

Finding the Fourth Proportional to 517,040.20, 775,577.58 and 143,031.88

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Solution

The fourth proportional to 517,040.20, 775,577.58 and 143,031.88 is: 214,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,040.20 : 775,577.58 = 143,031.88 : x
  2. Step 2: Convert to fraction form
    517,040.20/775,577.58 = 143,031.88/x
  3. Step 3: Cross multiply
    517,040.20x = 775,577.58 × 143,031.88
  4. Step 4: Simplify right side
    517,040.20x = 110,932,319,353.25
  5. Step 5: Solve for x
    x = 110,932,319,353.25/517,040.20
  6. Step 6: Final answer
    x = 214,552.60

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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.