Home / 689,610.60-1,032,447.60-669,927.60

Finding the Fourth Proportional to 689,610.60, 1,032,447.60 and 669,927.60

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Solution

The fourth proportional to 689,610.60, 1,032,447.60 and 669,927.60 is: 1,002,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,610.60 : 1,032,447.60 = 669,927.60 : x
  2. Step 2: Convert to fraction form
    689,610.60/1,032,447.60 = 669,927.60/x
  3. Step 3: Cross multiply
    689,610.60x = 1,032,447.60 × 669,927.60
  4. Step 4: Simplify right side
    689,610.60x = 691,665,142,793.76
  5. Step 5: Solve for x
    x = 691,665,142,793.76/689,610.60
  6. Step 6: Final answer
    x = 1,002,979.28

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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.