Home / 901,463.48-1,243,972.32-493,487.14

Finding the Fourth Proportional to 901,463.48, 1,243,972.32 and 493,487.14

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Solution

The fourth proportional to 901,463.48, 1,243,972.32 and 493,487.14 is: 680,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,463.48 : 1,243,972.32 = 493,487.14 : x
  2. Step 2: Convert to fraction form
    901,463.48/1,243,972.32 = 493,487.14/x
  3. Step 3: Cross multiply
    901,463.48x = 1,243,972.32 × 493,487.14
  4. Step 4: Simplify right side
    901,463.48x = 613,884,342,435.97
  5. Step 5: Solve for x
    x = 613,884,342,435.97/901,463.48
  6. Step 6: Final answer
    x = 680,986.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.