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Finding the Fourth Proportional to 633,346.12, 948,511.50 and 366,544.36

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Solution

The fourth proportional to 633,346.12, 948,511.50 and 366,544.36 is: 548,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,346.12 : 948,511.50 = 366,544.36 : x
  2. Step 2: Convert to fraction form
    633,346.12/948,511.50 = 366,544.36/x
  3. Step 3: Cross multiply
    633,346.12x = 948,511.50 × 366,544.36
  4. Step 4: Simplify right side
    633,346.12x = 347,671,540,720.14
  5. Step 5: Solve for x
    x = 347,671,540,720.14/633,346.12
  6. Step 6: Final answer
    x = 548,943.98

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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.