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Finding the Fourth Proportional to 568,751.03, 784,881.80 and 323,723.83

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Solution

The fourth proportional to 568,751.03, 784,881.80 and 323,723.83 is: 446,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,751.03 : 784,881.80 = 323,723.83 : x
  2. Step 2: Convert to fraction form
    568,751.03/784,881.80 = 323,723.83/x
  3. Step 3: Cross multiply
    568,751.03x = 784,881.80 × 323,723.83
  4. Step 4: Simplify right side
    568,751.03x = 254,084,938,812.47
  5. Step 5: Solve for x
    x = 254,084,938,812.47/568,751.03
  6. Step 6: Final answer
    x = 446,741.94

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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.