Home / 769,563.18-1,154,236.64-264,115.89

Finding the Fourth Proportional to 769,563.18, 1,154,236.64 and 264,115.89

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Solution

The fourth proportional to 769,563.18, 1,154,236.64 and 264,115.89 is: 396,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,563.18 : 1,154,236.64 = 264,115.89 : x
  2. Step 2: Convert to fraction form
    769,563.18/1,154,236.64 = 264,115.89/x
  3. Step 3: Cross multiply
    769,563.18x = 1,154,236.64 × 264,115.89
  4. Step 4: Simplify right side
    769,563.18x = 304,852,236,123.63
  5. Step 5: Solve for x
    x = 304,852,236,123.63/769,563.18
  6. Step 6: Final answer
    x = 396,136.72

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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.