Home / 787,535.06-1,086,769.51-481,497.21

Finding the Fourth Proportional to 787,535.06, 1,086,769.51 and 481,497.21

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Solution

The fourth proportional to 787,535.06, 1,086,769.51 and 481,497.21 is: 664,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,535.06 : 1,086,769.51 = 481,497.21 : x
  2. Step 2: Convert to fraction form
    787,535.06/1,086,769.51 = 481,497.21/x
  3. Step 3: Cross multiply
    787,535.06x = 1,086,769.51 × 481,497.21
  4. Step 4: Simplify right side
    787,535.06x = 523,276,485,774.32
  5. Step 5: Solve for x
    x = 523,276,485,774.32/787,535.06
  6. Step 6: Final answer
    x = 664,448.50

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Double scale
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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.