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Finding the Fourth Proportional to 626,588.64, 940,223.25 and 266,700.78

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Solution

The fourth proportional to 626,588.64, 940,223.25 and 266,700.78 is: 400,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,588.64 : 940,223.25 = 266,700.78 : x
  2. Step 2: Convert to fraction form
    626,588.64/940,223.25 = 266,700.78/x
  3. Step 3: Cross multiply
    626,588.64x = 940,223.25 × 266,700.78
  4. Step 4: Simplify right side
    626,588.64x = 250,758,274,149.14
  5. Step 5: Solve for x
    x = 250,758,274,149.14/626,588.64
  6. Step 6: Final answer
    x = 400,196.01

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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.