Home / 827,170.80-1,240,464.60-294,709.20

Finding the Fourth Proportional to 827,170.80, 1,240,464.60 and 294,709.20

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Solution

The fourth proportional to 827,170.80, 1,240,464.60 and 294,709.20 is: 441,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,170.80 : 1,240,464.60 = 294,709.20 : x
  2. Step 2: Convert to fraction form
    827,170.80/1,240,464.60 = 294,709.20/x
  3. Step 3: Cross multiply
    827,170.80x = 1,240,464.60 × 294,709.20
  4. Step 4: Simplify right side
    827,170.80x = 365,576,329,894.32
  5. Step 5: Solve for x
    x = 365,576,329,894.32/827,170.80
  6. Step 6: Final answer
    x = 441,959.91

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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.