Home / 689,759.66-1,034,337.80-347,992.76

Finding the Fourth Proportional to 689,759.66, 1,034,337.80 and 347,992.76

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Solution

The fourth proportional to 689,759.66, 1,034,337.80 and 347,992.76 is: 521,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,759.66 : 1,034,337.80 = 347,992.76 : x
  2. Step 2: Convert to fraction form
    689,759.66/1,034,337.80 = 347,992.76/x
  3. Step 3: Cross multiply
    689,759.66x = 1,034,337.80 × 347,992.76
  4. Step 4: Simplify right side
    689,759.66x = 359,942,061,492.62
  5. Step 5: Solve for x
    x = 359,942,061,492.62/689,759.66
  6. Step 6: Final answer
    x = 521,836.93

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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.