Home / 879,610.20-1,319,415.30-575,179.80

Finding the Fourth Proportional to 879,610.20, 1,319,415.30 and 575,179.80

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Solution

The fourth proportional to 879,610.20, 1,319,415.30 and 575,179.80 is: 862,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,610.20 : 1,319,415.30 = 575,179.80 : x
  2. Step 2: Convert to fraction form
    879,610.20/1,319,415.30 = 575,179.80/x
  3. Step 3: Cross multiply
    879,610.20x = 1,319,415.30 × 575,179.80
  4. Step 4: Simplify right side
    879,610.20x = 758,901,028,370.94
  5. Step 5: Solve for x
    x = 758,901,028,370.94/879,610.20
  6. Step 6: Final answer
    x = 862,769.70

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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.