Home / 790,781.24-1,091,356.38-451,300.52

Finding the Fourth Proportional to 790,781.24, 1,091,356.38 and 451,300.52

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Solution

The fourth proportional to 790,781.24, 1,091,356.38 and 451,300.52 is: 622,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,781.24 : 1,091,356.38 = 451,300.52 : x
  2. Step 2: Convert to fraction form
    790,781.24/1,091,356.38 = 451,300.52/x
  3. Step 3: Cross multiply
    790,781.24x = 1,091,356.38 × 451,300.52
  4. Step 4: Simplify right side
    790,781.24x = 492,529,701,799.32
  5. Step 5: Solve for x
    x = 492,529,701,799.32/790,781.24
  6. Step 6: Final answer
    x = 622,839.39

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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.