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Finding the Fourth Proportional to 601,391.42, 901,127.56 and 440,722.79

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Solution

The fourth proportional to 601,391.42, 901,127.56 and 440,722.79 is: 660,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,391.42 : 901,127.56 = 440,722.79 : x
  2. Step 2: Convert to fraction form
    601,391.42/901,127.56 = 440,722.79/x
  3. Step 3: Cross multiply
    601,391.42x = 901,127.56 × 440,722.79
  4. Step 4: Simplify right side
    601,391.42x = 397,147,452,389.09
  5. Step 5: Solve for x
    x = 397,147,452,389.09/601,391.42
  6. Step 6: Final answer
    x = 660,380.98

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1.5x scale

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.