Home / 803,329.38-1,108,625.94-440,768.52

Finding the Fourth Proportional to 803,329.38, 1,108,625.94 and 440,768.52

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Solution

The fourth proportional to 803,329.38, 1,108,625.94 and 440,768.52 is: 608,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,329.38 : 1,108,625.94 = 440,768.52 : x
  2. Step 2: Convert to fraction form
    803,329.38/1,108,625.94 = 440,768.52/x
  3. Step 3: Cross multiply
    803,329.38x = 1,108,625.94 × 440,768.52
  4. Step 4: Simplify right side
    803,329.38x = 488,647,414,807.41
  5. Step 5: Solve for x
    x = 488,647,414,807.41/803,329.38
  6. Step 6: Final answer
    x = 608,277.78

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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.