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Finding the Fourth Proportional to 594,740.90, 820,743.17 and 322,808.89

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Solution

The fourth proportional to 594,740.90, 820,743.17 and 322,808.89 is: 445,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,740.90 : 820,743.17 = 322,808.89 : x
  2. Step 2: Convert to fraction form
    594,740.90/820,743.17 = 322,808.89/x
  3. Step 3: Cross multiply
    594,740.90x = 820,743.17 × 322,808.89
  4. Step 4: Simplify right side
    594,740.90x = 264,943,190,340.54
  5. Step 5: Solve for x
    x = 264,943,190,340.54/594,740.90
  6. Step 6: Final answer
    x = 445,476.66

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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.