Home / 656,822.16-985,262.54-201,380.63

Finding the Fourth Proportional to 656,822.16, 985,262.54 and 201,380.63

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Solution

The fourth proportional to 656,822.16, 985,262.54 and 201,380.63 is: 302,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,822.16 : 985,262.54 = 201,380.63 : x
  2. Step 2: Convert to fraction form
    656,822.16/985,262.54 = 201,380.63/x
  3. Step 3: Cross multiply
    656,822.16x = 985,262.54 × 201,380.63
  4. Step 4: Simplify right side
    656,822.16x = 198,412,785,087.38
  5. Step 5: Solve for x
    x = 198,412,785,087.38/656,822.16
  6. Step 6: Final answer
    x = 302,079.92

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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.