Home / 787,057.82-1,086,040.06-447,533.36

Finding the Fourth Proportional to 787,057.82, 1,086,040.06 and 447,533.36

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Solution

The fourth proportional to 787,057.82, 1,086,040.06 and 447,533.36 is: 617,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,057.82 : 1,086,040.06 = 447,533.36 : x
  2. Step 2: Convert to fraction form
    787,057.82/1,086,040.06 = 447,533.36/x
  3. Step 3: Cross multiply
    787,057.82x = 1,086,040.06 × 447,533.36
  4. Step 4: Simplify right side
    787,057.82x = 486,039,150,597.37
  5. Step 5: Solve for x
    x = 486,039,150,597.37/787,057.82
  6. Step 6: Final answer
    x = 617,539.32

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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.