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Finding the Fourth Proportional to 568,699.94, 853,706 and 288,807.68

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Solution

The fourth proportional to 568,699.94, 853,706 and 288,807.68 is: 433,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,699.94 : 853,706 = 288,807.68 : x
  2. Step 2: Convert to fraction form
    568,699.94/853,706 = 288,807.68/x
  3. Step 3: Cross multiply
    568,699.94x = 853,706 × 288,807.68
  4. Step 4: Simplify right side
    568,699.94x = 246,556,849,262.08
  5. Step 5: Solve for x
    x = 246,556,849,262.08/568,699.94
  6. Step 6: Final answer
    x = 433,544.71

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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.