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Finding the Fourth Proportional to 666,452.73, 919,701.97 and 360,528.35

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Solution

The fourth proportional to 666,452.73, 919,701.97 and 360,528.35 is: 497,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,452.73 : 919,701.97 = 360,528.35 : x
  2. Step 2: Convert to fraction form
    666,452.73/919,701.97 = 360,528.35/x
  3. Step 3: Cross multiply
    666,452.73x = 919,701.97 × 360,528.35
  4. Step 4: Simplify right side
    666,452.73x = 331,578,638,023.98
  5. Step 5: Solve for x
    x = 331,578,638,023.98/666,452.73
  6. Step 6: Final answer
    x = 497,527.61

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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.