Home / 897,301.80-1,342,672.20-661,105.80

Finding the Fourth Proportional to 897,301.80, 1,342,672.20 and 661,105.80

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Solution

The fourth proportional to 897,301.80, 1,342,672.20 and 661,105.80 is: 989,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,301.80 : 1,342,672.20 = 661,105.80 : x
  2. Step 2: Convert to fraction form
    897,301.80/1,342,672.20 = 661,105.80/x
  3. Step 3: Cross multiply
    897,301.80x = 1,342,672.20 × 661,105.80
  4. Step 4: Simplify right side
    897,301.80x = 887,648,378,918.76
  5. Step 5: Solve for x
    x = 887,648,378,918.76/897,301.80
  6. Step 6: Final answer
    x = 989,241.72

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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.