Home / 817,321.98-1,127,771.41-454,736.52

Finding the Fourth Proportional to 817,321.98, 1,127,771.41 and 454,736.52

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Solution

The fourth proportional to 817,321.98, 1,127,771.41 and 454,736.52 is: 627,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,321.98 : 1,127,771.41 = 454,736.52 : x
  2. Step 2: Convert to fraction form
    817,321.98/1,127,771.41 = 454,736.52/x
  3. Step 3: Cross multiply
    817,321.98x = 1,127,771.41 × 454,736.52
  4. Step 4: Simplify right side
    817,321.98x = 512,838,846,338.89
  5. Step 5: Solve for x
    x = 512,838,846,338.89/817,321.98
  6. Step 6: Final answer
    x = 627,462.44

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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.