Home / 648,473.65-972,713.32-269,394.07

Finding the Fourth Proportional to 648,473.65, 972,713.32 and 269,394.07

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Solution

The fourth proportional to 648,473.65, 972,713.32 and 269,394.07 is: 404,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,473.65 : 972,713.32 = 269,394.07 : x
  2. Step 2: Convert to fraction form
    648,473.65/972,713.32 = 269,394.07/x
  3. Step 3: Cross multiply
    648,473.65x = 972,713.32 × 269,394.07
  4. Step 4: Simplify right side
    648,473.65x = 262,043,200,451.92
  5. Step 5: Solve for x
    x = 262,043,200,451.92/648,473.65
  6. Step 6: Final answer
    x = 404,092.29

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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.