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Finding the Fourth Proportional to 556,343.37, 832,447.11 and 331,825.95

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Solution

The fourth proportional to 556,343.37, 832,447.11 and 331,825.95 is: 496,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,343.37 : 832,447.11 = 331,825.95 : x
  2. Step 2: Convert to fraction form
    556,343.37/832,447.11 = 331,825.95/x
  3. Step 3: Cross multiply
    556,343.37x = 832,447.11 × 331,825.95
  4. Step 4: Simplify right side
    556,343.37x = 276,227,553,100.51
  5. Step 5: Solve for x
    x = 276,227,553,100.51/556,343.37
  6. Step 6: Final answer
    x = 496,505.52

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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.