Home / 843,615.48-1,265,555.18-274,864.55

Finding the Fourth Proportional to 843,615.48, 1,265,555.18 and 274,864.55

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Solution

The fourth proportional to 843,615.48, 1,265,555.18 and 274,864.55 is: 412,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,615.48 : 1,265,555.18 = 274,864.55 : x
  2. Step 2: Convert to fraction form
    843,615.48/1,265,555.18 = 274,864.55/x
  3. Step 3: Cross multiply
    843,615.48x = 1,265,555.18 × 274,864.55
  4. Step 4: Simplify right side
    843,615.48x = 347,856,258,901.92
  5. Step 5: Solve for x
    x = 347,856,258,901.92/843,615.48
  6. Step 6: Final answer
    x = 412,339.82

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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.