Home / 693,305.25-1,039,826.36-337,961.89

Finding the Fourth Proportional to 693,305.25, 1,039,826.36 and 337,961.89

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Solution

The fourth proportional to 693,305.25, 1,039,826.36 and 337,961.89 is: 506,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,305.25 : 1,039,826.36 = 337,961.89 : x
  2. Step 2: Convert to fraction form
    693,305.25/1,039,826.36 = 337,961.89/x
  3. Step 3: Cross multiply
    693,305.25x = 1,039,826.36 × 337,961.89
  4. Step 4: Simplify right side
    693,305.25x = 351,421,680,207.61
  5. Step 5: Solve for x
    x = 351,421,680,207.61/693,305.25
  6. Step 6: Final answer
    x = 506,878.72

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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.