Home / 900,997.16-1,243,376.57-493,098.76

Finding the Fourth Proportional to 900,997.16, 1,243,376.57 and 493,098.76

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Solution

The fourth proportional to 900,997.16, 1,243,376.57 and 493,098.76 is: 680,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,997.16 : 1,243,376.57 = 493,098.76 : x
  2. Step 2: Convert to fraction form
    900,997.16/1,243,376.57 = 493,098.76/x
  3. Step 3: Cross multiply
    900,997.16x = 1,243,376.57 × 493,098.76
  4. Step 4: Simplify right side
    900,997.16x = 613,107,448,309.97
  5. Step 5: Solve for x
    x = 613,107,448,309.97/900,997.16
  6. Step 6: Final answer
    x = 680,476.56

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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.