Home / 641,462.34-885,220.38-347,112.06

Finding the Fourth Proportional to 641,462.34, 885,220.38 and 347,112.06

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Solution

The fourth proportional to 641,462.34, 885,220.38 and 347,112.06 is: 479,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,462.34 : 885,220.38 = 347,112.06 : x
  2. Step 2: Convert to fraction form
    641,462.34/885,220.38 = 347,112.06/x
  3. Step 3: Cross multiply
    641,462.34x = 885,220.38 × 347,112.06
  4. Step 4: Simplify right side
    641,462.34x = 307,270,669,655.78
  5. Step 5: Solve for x
    x = 307,270,669,655.78/641,462.34
  6. Step 6: Final answer
    x = 479,015.91

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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.