Home / 856,338.15-1,181,746.46-469,167.30

Finding the Fourth Proportional to 856,338.15, 1,181,746.46 and 469,167.30

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Solution

The fourth proportional to 856,338.15, 1,181,746.46 and 469,167.30 is: 647,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,338.15 : 1,181,746.46 = 469,167.30 : x
  2. Step 2: Convert to fraction form
    856,338.15/1,181,746.46 = 469,167.30/x
  3. Step 3: Cross multiply
    856,338.15x = 1,181,746.46 × 469,167.30
  4. Step 4: Simplify right side
    856,338.15x = 554,436,792,968.39
  5. Step 5: Solve for x
    x = 554,436,792,968.39/856,338.15
  6. Step 6: Final answer
    x = 647,450.77

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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.