Home / 689,737.67-1,034,650.24-216,441.71

Finding the Fourth Proportional to 689,737.67, 1,034,650.24 and 216,441.71

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Solution

The fourth proportional to 689,737.67, 1,034,650.24 and 216,441.71 is: 324,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,737.67 : 1,034,650.24 = 216,441.71 : x
  2. Step 2: Convert to fraction form
    689,737.67/1,034,650.24 = 216,441.71/x
  3. Step 3: Cross multiply
    689,737.67x = 1,034,650.24 × 216,441.71
  4. Step 4: Simplify right side
    689,737.67x = 223,941,467,197.51
  5. Step 5: Solve for x
    x = 223,941,467,197.51/689,737.67
  6. Step 6: Final answer
    x = 324,676.29

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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.