Home / 442,822.09-611,076.88-261,592.22

Finding the Fourth Proportional to 442,822.09, 611,076.88 and 261,592.22

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Solution

The fourth proportional to 442,822.09, 611,076.88 and 261,592.22 is: 360,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,822.09 : 611,076.88 = 261,592.22 : x
  2. Step 2: Convert to fraction form
    442,822.09/611,076.88 = 261,592.22/x
  3. Step 3: Cross multiply
    442,822.09x = 611,076.88 × 261,592.22
  4. Step 4: Simplify right side
    442,822.09x = 159,852,957,629.87
  5. Step 5: Solve for x
    x = 159,852,957,629.87/442,822.09
  6. Step 6: Final answer
    x = 360,986.86

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1.5x scale

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.