Home / 778,296.70-1,074,076.05-451,585.03

Finding the Fourth Proportional to 778,296.70, 1,074,076.05 and 451,585.03

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Solution

The fourth proportional to 778,296.70, 1,074,076.05 and 451,585.03 is: 623,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,296.70 : 1,074,076.05 = 451,585.03 : x
  2. Step 2: Convert to fraction form
    778,296.70/1,074,076.05 = 451,585.03/x
  3. Step 3: Cross multiply
    778,296.70x = 1,074,076.05 × 451,585.03
  4. Step 4: Simplify right side
    778,296.70x = 485,036,665,261.53
  5. Step 5: Solve for x
    x = 485,036,665,261.53/778,296.70
  6. Step 6: Final answer
    x = 623,202.78

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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.