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Finding the Fourth Proportional to 556,092.48, 834,010.74 and 331,516.20

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Solution

The fourth proportional to 556,092.48, 834,010.74 and 331,516.20 is: 497,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,092.48 : 834,010.74 = 331,516.20 : x
  2. Step 2: Convert to fraction form
    556,092.48/834,010.74 = 331,516.20/x
  3. Step 3: Cross multiply
    556,092.48x = 834,010.74 × 331,516.20
  4. Step 4: Simplify right side
    556,092.48x = 276,488,071,283.99
  5. Step 5: Solve for x
    x = 276,488,071,283.99/556,092.48
  6. Step 6: Final answer
    x = 497,198.00

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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.