Home / 574,815.80-861,814.10-219,692.60

Finding the Fourth Proportional to 574,815.80, 861,814.10 and 219,692.60

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Solution

The fourth proportional to 574,815.80, 861,814.10 and 219,692.60 is: 329,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,815.80 : 861,814.10 = 219,692.60 : x
  2. Step 2: Convert to fraction form
    574,815.80/861,814.10 = 219,692.60/x
  3. Step 3: Cross multiply
    574,815.80x = 861,814.10 × 219,692.60
  4. Step 4: Simplify right side
    574,815.80x = 189,334,180,345.66
  5. Step 5: Solve for x
    x = 189,334,180,345.66/574,815.80
  6. Step 6: Final answer
    x = 329,382.35

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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.