Home / 699,595.31-1,049,576.25-219,803.74

Finding the Fourth Proportional to 699,595.31, 1,049,576.25 and 219,803.74

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Solution

The fourth proportional to 699,595.31, 1,049,576.25 and 219,803.74 is: 329,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,595.31 : 1,049,576.25 = 219,803.74 : x
  2. Step 2: Convert to fraction form
    699,595.31/1,049,576.25 = 219,803.74/x
  3. Step 3: Cross multiply
    699,595.31x = 1,049,576.25 × 219,803.74
  4. Step 4: Simplify right side
    699,595.31x = 230,700,783,365.50
  5. Step 5: Solve for x
    x = 230,700,783,365.50/699,595.31
  6. Step 6: Final answer
    x = 329,763.19

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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.