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Finding the Fourth Proportional to 552,022.21, 761,657.64 and 322,449.18

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Solution

The fourth proportional to 552,022.21, 761,657.64 and 322,449.18 is: 444,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,022.21 : 761,657.64 = 322,449.18 : x
  2. Step 2: Convert to fraction form
    552,022.21/761,657.64 = 322,449.18/x
  3. Step 3: Cross multiply
    552,022.21x = 761,657.64 × 322,449.18
  4. Step 4: Simplify right side
    552,022.21x = 245,595,881,458.74
  5. Step 5: Solve for x
    x = 245,595,881,458.74/552,022.21
  6. Step 6: Final answer
    x = 444,902.17

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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.