Home / 827,520.52-1,241,278.54-220,308.84

Finding the Fourth Proportional to 827,520.52, 1,241,278.54 and 220,308.84

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Solution

The fourth proportional to 827,520.52, 1,241,278.54 and 220,308.84 is: 330,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,520.52 : 1,241,278.54 = 220,308.84 : x
  2. Step 2: Convert to fraction form
    827,520.52/1,241,278.54 = 220,308.84/x
  3. Step 3: Cross multiply
    827,520.52x = 1,241,278.54 × 220,308.84
  4. Step 4: Simplify right side
    827,520.52x = 273,464,635,264.29
  5. Step 5: Solve for x
    x = 273,464,635,264.29/827,520.52
  6. Step 6: Final answer
    x = 330,462.66

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1.5x scale

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.