Home / 769,872.20-1,062,464.04-464,045.76

Finding the Fourth Proportional to 769,872.20, 1,062,464.04 and 464,045.76

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Solution

The fourth proportional to 769,872.20, 1,062,464.04 and 464,045.76 is: 640,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,872.20 : 1,062,464.04 = 464,045.76 : x
  2. Step 2: Convert to fraction form
    769,872.20/1,062,464.04 = 464,045.76/x
  3. Step 3: Cross multiply
    769,872.20x = 1,062,464.04 × 464,045.76
  4. Step 4: Simplify right side
    769,872.20x = 493,031,932,914.47
  5. Step 5: Solve for x
    x = 493,031,932,914.47/769,872.20
  6. Step 6: Final answer
    x = 640,407.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.