Home / 843,849.38-1,164,678.14-639,543.94

Finding the Fourth Proportional to 843,849.38, 1,164,678.14 and 639,543.94

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Solution

The fourth proportional to 843,849.38, 1,164,678.14 and 639,543.94 is: 882,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,849.38 : 1,164,678.14 = 639,543.94 : x
  2. Step 2: Convert to fraction form
    843,849.38/1,164,678.14 = 639,543.94/x
  3. Step 3: Cross multiply
    843,849.38x = 1,164,678.14 × 639,543.94
  4. Step 4: Simplify right side
    843,849.38x = 744,862,846,487.47
  5. Step 5: Solve for x
    x = 744,862,846,487.47/843,849.38
  6. Step 6: Final answer
    x = 882,696.44

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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.