Home / 693,238.12-1,040,012.70-219,938.92

Finding the Fourth Proportional to 693,238.12, 1,040,012.70 and 219,938.92

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Solution

The fourth proportional to 693,238.12, 1,040,012.70 and 219,938.92 is: 329,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,238.12 : 1,040,012.70 = 219,938.92 : x
  2. Step 2: Convert to fraction form
    693,238.12/1,040,012.70 = 219,938.92/x
  3. Step 3: Cross multiply
    693,238.12x = 1,040,012.70 × 219,938.92
  4. Step 4: Simplify right side
    693,238.12x = 228,739,270,024.28
  5. Step 5: Solve for x
    x = 228,739,270,024.28/693,238.12
  6. Step 6: Final answer
    x = 329,957.72

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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.