Home / 884,106.78-1,326,160.14-323,141.28

Finding the Fourth Proportional to 884,106.78, 1,326,160.14 and 323,141.28

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Solution

The fourth proportional to 884,106.78, 1,326,160.14 and 323,141.28 is: 484,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,106.78 : 1,326,160.14 = 323,141.28 : x
  2. Step 2: Convert to fraction form
    884,106.78/1,326,160.14 = 323,141.28/x
  3. Step 3: Cross multiply
    884,106.78x = 1,326,160.14 × 323,141.28
  4. Step 4: Simplify right side
    884,106.78x = 428,537,085,124.58
  5. Step 5: Solve for x
    x = 428,537,085,124.58/884,106.78
  6. Step 6: Final answer
    x = 484,711.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.