Home / 769,540.40-1,154,893.80-503,212.40

Finding the Fourth Proportional to 769,540.40, 1,154,893.80 and 503,212.40

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Solution

The fourth proportional to 769,540.40, 1,154,893.80 and 503,212.40 is: 755,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,540.40 : 1,154,893.80 = 503,212.40 : x
  2. Step 2: Convert to fraction form
    769,540.40/1,154,893.80 = 503,212.40/x
  3. Step 3: Cross multiply
    769,540.40x = 1,154,893.80 × 503,212.40
  4. Step 4: Simplify right side
    769,540.40x = 581,156,880,843.12
  5. Step 5: Solve for x
    x = 581,156,880,843.12/769,540.40
  6. Step 6: Final answer
    x = 755,199.96

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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.