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Finding the Fourth Proportional to 543,704.13, 750,051.36 and 382,648.59

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Solution

The fourth proportional to 543,704.13, 750,051.36 and 382,648.59 is: 527,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,704.13 : 750,051.36 = 382,648.59 : x
  2. Step 2: Convert to fraction form
    543,704.13/750,051.36 = 382,648.59/x
  3. Step 3: Cross multiply
    543,704.13x = 750,051.36 × 382,648.59
  4. Step 4: Simplify right side
    543,704.13x = 287,006,095,331.58
  5. Step 5: Solve for x
    x = 287,006,095,331.58/543,704.13
  6. Step 6: Final answer
    x = 527,871.83

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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.