Home / 789,956.36-1,090,112.82-450,533.96

Finding the Fourth Proportional to 789,956.36, 1,090,112.82 and 450,533.96

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Solution

The fourth proportional to 789,956.36, 1,090,112.82 and 450,533.96 is: 621,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,956.36 : 1,090,112.82 = 450,533.96 : x
  2. Step 2: Convert to fraction form
    789,956.36/1,090,112.82 = 450,533.96/x
  3. Step 3: Cross multiply
    789,956.36x = 1,090,112.82 × 450,533.96
  4. Step 4: Simplify right side
    789,956.36x = 491,132,845,641.37
  5. Step 5: Solve for x
    x = 491,132,845,641.37/789,956.36
  6. Step 6: Final answer
    x = 621,721.49

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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.