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Finding the Fourth Proportional to 595,262.97, 821,477.89 and 323,330.78

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Solution

The fourth proportional to 595,262.97, 821,477.89 and 323,330.78 is: 446,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,262.97 : 821,477.89 = 323,330.78 : x
  2. Step 2: Convert to fraction form
    595,262.97/821,477.89 = 323,330.78/x
  3. Step 3: Cross multiply
    595,262.97x = 821,477.89 × 323,330.78
  4. Step 4: Simplify right side
    595,262.97x = 265,609,083,256.11
  5. Step 5: Solve for x
    x = 265,609,083,256.11/595,262.97
  6. Step 6: Final answer
    x = 446,204.62

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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.