Home / 692,521.92-1,038,820.68-219,171.96

Finding the Fourth Proportional to 692,521.92, 1,038,820.68 and 219,171.96

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Solution

The fourth proportional to 692,521.92, 1,038,820.68 and 219,171.96 is: 328,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,521.92 : 1,038,820.68 = 219,171.96 : x
  2. Step 2: Convert to fraction form
    692,521.92/1,038,820.68 = 219,171.96/x
  3. Step 3: Cross multiply
    692,521.92x = 1,038,820.68 × 219,171.96
  4. Step 4: Simplify right side
    692,521.92x = 227,680,364,524.13
  5. Step 5: Solve for x
    x = 227,680,364,524.13/692,521.92
  6. Step 6: Final answer
    x = 328,769.90

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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.