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Finding the Fourth Proportional to 442,607.77, 662,619.87 and 329,258.35

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Solution

The fourth proportional to 442,607.77, 662,619.87 and 329,258.35 is: 492,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,607.77 : 662,619.87 = 329,258.35 : x
  2. Step 2: Convert to fraction form
    442,607.77/662,619.87 = 329,258.35/x
  3. Step 3: Cross multiply
    442,607.77x = 662,619.87 × 329,258.35
  4. Step 4: Simplify right side
    442,607.77x = 218,173,125,073.42
  5. Step 5: Solve for x
    x = 218,173,125,073.42/442,607.77
  6. Step 6: Final answer
    x = 492,926.56

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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.