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Finding the Fourth Proportional to 664,969.39, 997,946.31 and 494,580.22

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Solution

The fourth proportional to 664,969.39, 997,946.31 and 494,580.22 is: 742,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,969.39 : 997,946.31 = 494,580.22 : x
  2. Step 2: Convert to fraction form
    664,969.39/997,946.31 = 494,580.22/x
  3. Step 3: Cross multiply
    664,969.39x = 997,946.31 × 494,580.22
  4. Step 4: Simplify right side
    664,969.39x = 493,564,505,547.99
  5. Step 5: Solve for x
    x = 493,564,505,547.99/664,969.39
  6. Step 6: Final answer
    x = 742,236.43

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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.