Home / 856,338.13-1,181,746.44-469,167.28

Finding the Fourth Proportional to 856,338.13, 1,181,746.44 and 469,167.28

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Solution

The fourth proportional to 856,338.13, 1,181,746.44 and 469,167.28 is: 647,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,338.13 : 1,181,746.44 = 469,167.28 : x
  2. Step 2: Convert to fraction form
    856,338.13/1,181,746.44 = 469,167.28/x
  3. Step 3: Cross multiply
    856,338.13x = 1,181,746.44 × 469,167.28
  4. Step 4: Simplify right side
    856,338.13x = 554,436,762,904.48
  5. Step 5: Solve for x
    x = 554,436,762,904.48/856,338.13
  6. Step 6: Final answer
    x = 647,450.75

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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.