Home / 645,186.94-967,897.35-265,896.74

Finding the Fourth Proportional to 645,186.94, 967,897.35 and 265,896.74

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Solution

The fourth proportional to 645,186.94, 967,897.35 and 265,896.74 is: 398,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,186.94 : 967,897.35 = 265,896.74 : x
  2. Step 2: Convert to fraction form
    645,186.94/967,897.35 = 265,896.74/x
  3. Step 3: Cross multiply
    645,186.94x = 967,897.35 × 265,896.74
  4. Step 4: Simplify right side
    645,186.94x = 257,360,752,439.38
  5. Step 5: Solve for x
    x = 257,360,752,439.38/645,186.94
  6. Step 6: Final answer
    x = 398,893.31

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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.