Home / 769,815.50-1,154,787.86-283,630

Finding the Fourth Proportional to 769,815.50, 1,154,787.86 and 283,630

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Solution

The fourth proportional to 769,815.50, 1,154,787.86 and 283,630 is: 425,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,815.50 : 1,154,787.86 = 283,630 : x
  2. Step 2: Convert to fraction form
    769,815.50/1,154,787.86 = 283,630/x
  3. Step 3: Cross multiply
    769,815.50x = 1,154,787.86 × 283,630
  4. Step 4: Simplify right side
    769,815.50x = 327,532,480,731.80
  5. Step 5: Solve for x
    x = 327,532,480,731.80/769,815.50
  6. Step 6: Final answer
    x = 425,468.80

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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.