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Finding the Fourth Proportional to 666,187.22, 997,334.04 and 496,163

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Solution

The fourth proportional to 666,187.22, 997,334.04 and 496,163 is: 742,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,187.22 : 997,334.04 = 496,163 : x
  2. Step 2: Convert to fraction form
    666,187.22/997,334.04 = 496,163/x
  3. Step 3: Cross multiply
    666,187.22x = 997,334.04 × 496,163
  4. Step 4: Simplify right side
    666,187.22x = 494,840,249,288.52
  5. Step 5: Solve for x
    x = 494,840,249,288.52/666,187.22
  6. Step 6: Final answer
    x = 742,794.57

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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.