Home / 763,540.40-1,145,310.60-746,044.40

Finding the Fourth Proportional to 763,540.40, 1,145,310.60 and 746,044.40

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Solution

The fourth proportional to 763,540.40, 1,145,310.60 and 746,044.40 is: 1,119,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,540.40 : 1,145,310.60 = 746,044.40 : x
  2. Step 2: Convert to fraction form
    763,540.40/1,145,310.60 = 746,044.40/x
  3. Step 3: Cross multiply
    763,540.40x = 1,145,310.60 × 746,044.40
  4. Step 4: Simplify right side
    763,540.40x = 854,452,559,390.64
  5. Step 5: Solve for x
    x = 854,452,559,390.64/763,540.40
  6. Step 6: Final answer
    x = 1,119,066.60

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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.