Home / 689,877.50-1,034,982.86-216,562.86

Finding the Fourth Proportional to 689,877.50, 1,034,982.86 and 216,562.86

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Solution

The fourth proportional to 689,877.50, 1,034,982.86 and 216,562.86 is: 324,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,877.50 : 1,034,982.86 = 216,562.86 : x
  2. Step 2: Convert to fraction form
    689,877.50/1,034,982.86 = 216,562.86/x
  3. Step 3: Cross multiply
    689,877.50x = 1,034,982.86 × 216,562.86
  4. Step 4: Simplify right side
    689,877.50x = 224,138,847,129.77
  5. Step 5: Solve for x
    x = 224,138,847,129.77/689,877.50
  6. Step 6: Final answer
    x = 324,896.59

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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.