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Finding the Fourth Proportional to 594,605.51, 820,556.16 and 339,962.03

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Solution

The fourth proportional to 594,605.51, 820,556.16 and 339,962.03 is: 469,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,605.51 : 820,556.16 = 339,962.03 : x
  2. Step 2: Convert to fraction form
    594,605.51/820,556.16 = 339,962.03/x
  3. Step 3: Cross multiply
    594,605.51x = 820,556.16 × 339,962.03
  4. Step 4: Simplify right side
    594,605.51x = 278,957,937,882.61
  5. Step 5: Solve for x
    x = 278,957,937,882.61/594,605.51
  6. Step 6: Final answer
    x = 469,147.92

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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.