Home / 693,721.70-1,040,160.15-272,492.90

Finding the Fourth Proportional to 693,721.70, 1,040,160.15 and 272,492.90

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Solution

The fourth proportional to 693,721.70, 1,040,160.15 and 272,492.90 is: 408,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,721.70 : 1,040,160.15 = 272,492.90 : x
  2. Step 2: Convert to fraction form
    693,721.70/1,040,160.15 = 272,492.90/x
  3. Step 3: Cross multiply
    693,721.70x = 1,040,160.15 × 272,492.90
  4. Step 4: Simplify right side
    693,721.70x = 283,436,255,737.94
  5. Step 5: Solve for x
    x = 283,436,255,737.94/693,721.70
  6. Step 6: Final answer
    x = 408,573.43

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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.