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Finding the Fourth Proportional to 601,381.53, 901,112.75 and 440,712.89

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Solution

The fourth proportional to 601,381.53, 901,112.75 and 440,712.89 is: 660,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,381.53 : 901,112.75 = 440,712.89 : x
  2. Step 2: Convert to fraction form
    601,381.53/901,112.75 = 440,712.89/x
  3. Step 3: Cross multiply
    601,381.53x = 901,112.75 × 440,712.89
  4. Step 4: Simplify right side
    601,381.53x = 397,131,997,559.22
  5. Step 5: Solve for x
    x = 397,131,997,559.22/601,381.53
  6. Step 6: Final answer
    x = 660,366.14

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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.