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Finding the Fourth Proportional to 461,722.26, 637,001.37 and 280,365.42

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Solution

The fourth proportional to 461,722.26, 637,001.37 and 280,365.42 is: 386,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,722.26 : 637,001.37 = 280,365.42 : x
  2. Step 2: Convert to fraction form
    461,722.26/637,001.37 = 280,365.42/x
  3. Step 3: Cross multiply
    461,722.26x = 637,001.37 × 280,365.42
  4. Step 4: Simplify right side
    461,722.26x = 178,593,156,640.63
  5. Step 5: Solve for x
    x = 178,593,156,640.63/461,722.26
  6. Step 6: Final answer
    x = 386,797.80

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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.