Home / 900,902.96-1,243,246.56-561,372.56

Finding the Fourth Proportional to 900,902.96, 1,243,246.56 and 561,372.56

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Solution

The fourth proportional to 900,902.96, 1,243,246.56 and 561,372.56 is: 774,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,902.96 : 1,243,246.56 = 561,372.56 : x
  2. Step 2: Convert to fraction form
    900,902.96/1,243,246.56 = 561,372.56/x
  3. Step 3: Cross multiply
    900,902.96x = 1,243,246.56 × 561,372.56
  4. Step 4: Simplify right side
    900,902.96x = 697,924,504,098.39
  5. Step 5: Solve for x
    x = 697,924,504,098.39/900,902.96
  6. Step 6: Final answer
    x = 774,694.43

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1.5x scale

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.