Home / 856,333.64-1,181,689.86-469,072.04

Finding the Fourth Proportional to 856,333.64, 1,181,689.86 and 469,072.04

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Solution

The fourth proportional to 856,333.64, 1,181,689.86 and 469,072.04 is: 647,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,333.64 : 1,181,689.86 = 469,072.04 : x
  2. Step 2: Convert to fraction form
    856,333.64/1,181,689.86 = 469,072.04/x
  3. Step 3: Cross multiply
    856,333.64x = 1,181,689.86 × 469,072.04
  4. Step 4: Simplify right side
    856,333.64x = 554,297,673,277.51
  5. Step 5: Solve for x
    x = 554,297,673,277.51/856,333.64
  6. Step 6: Final answer
    x = 647,291.72

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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.