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Finding the Fourth Proportional to 873,657.67, 1,310,673.60 and 494,757.49

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Solution

The fourth proportional to 873,657.67, 1,310,673.60 and 494,757.49 is: 742,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,657.67 : 1,310,673.60 = 494,757.49 : x
  2. Step 2: Convert to fraction form
    873,657.67/1,310,673.60 = 494,757.49/x
  3. Step 3: Cross multiply
    873,657.67x = 1,310,673.60 × 494,757.49
  4. Step 4: Simplify right side
    873,657.67x = 648,465,580,545.26
  5. Step 5: Solve for x
    x = 648,465,580,545.26/873,657.67
  6. Step 6: Final answer
    x = 742,242.19

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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.