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Finding the Fourth Proportional to 556,954.06, 768,996.03 and 342,381.82

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Solution

The fourth proportional to 556,954.06, 768,996.03 and 342,381.82 is: 472,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,954.06 : 768,996.03 = 342,381.82 : x
  2. Step 2: Convert to fraction form
    556,954.06/768,996.03 = 342,381.82/x
  3. Step 3: Cross multiply
    556,954.06x = 768,996.03 × 342,381.82
  4. Step 4: Simplify right side
    556,954.06x = 263,290,260,324.18
  5. Step 5: Solve for x
    x = 263,290,260,324.18/556,954.06
  6. Step 6: Final answer
    x = 472,732.46

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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.