Home / 900,996.98-1,243,376.31-493,098.58

Finding the Fourth Proportional to 900,996.98, 1,243,376.31 and 493,098.58

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Solution

The fourth proportional to 900,996.98, 1,243,376.31 and 493,098.58 is: 680,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,996.98 : 1,243,376.31 = 493,098.58 : x
  2. Step 2: Convert to fraction form
    900,996.98/1,243,376.31 = 493,098.58/x
  3. Step 3: Cross multiply
    900,996.98x = 1,243,376.31 × 493,098.58
  4. Step 4: Simplify right side
    900,996.98x = 613,107,089,758.20
  5. Step 5: Solve for x
    x = 613,107,089,758.20/900,996.98
  6. Step 6: Final answer
    x = 680,476.30

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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.