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Finding the Fourth Proportional to 547,452.51, 820,033.64 and 440,256.03

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Solution

The fourth proportional to 547,452.51, 820,033.64 and 440,256.03 is: 659,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,452.51 : 820,033.64 = 440,256.03 : x
  2. Step 2: Convert to fraction form
    547,452.51/820,033.64 = 440,256.03/x
  3. Step 3: Cross multiply
    547,452.51x = 820,033.64 × 440,256.03
  4. Step 4: Simplify right side
    547,452.51x = 361,024,750,712.68
  5. Step 5: Solve for x
    x = 361,024,750,712.68/547,452.51
  6. Step 6: Final answer
    x = 659,463.15

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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.