Home / 887,325.10-1,330,987.65-729,861.10

Finding the Fourth Proportional to 887,325.10, 1,330,987.65 and 729,861.10

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Solution

The fourth proportional to 887,325.10, 1,330,987.65 and 729,861.10 is: 1,094,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,325.10 : 1,330,987.65 = 729,861.10 : x
  2. Step 2: Convert to fraction form
    887,325.10/1,330,987.65 = 729,861.10/x
  3. Step 3: Cross multiply
    887,325.10x = 1,330,987.65 × 729,861.10
  4. Step 4: Simplify right side
    887,325.10x = 971,436,110,315.42
  5. Step 5: Solve for x
    x = 971,436,110,315.42/887,325.10
  6. Step 6: Final answer
    x = 1,094,791.65

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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.