Home / 887,324.60-1,330,986.90-729,860.60

Finding the Fourth Proportional to 887,324.60, 1,330,986.90 and 729,860.60

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Solution

The fourth proportional to 887,324.60, 1,330,986.90 and 729,860.60 is: 1,094,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,324.60 : 1,330,986.90 = 729,860.60 : x
  2. Step 2: Convert to fraction form
    887,324.60/1,330,986.90 = 729,860.60/x
  3. Step 3: Cross multiply
    887,324.60x = 1,330,986.90 × 729,860.60
  4. Step 4: Simplify right side
    887,324.60x = 971,434,897,426.14
  5. Step 5: Solve for x
    x = 971,434,897,426.14/887,324.60
  6. Step 6: Final answer
    x = 1,094,790.90

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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.