Home / 681,782.56-1,022,975.08-357,493.21

Finding the Fourth Proportional to 681,782.56, 1,022,975.08 and 357,493.21

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Solution

The fourth proportional to 681,782.56, 1,022,975.08 and 357,493.21 is: 536,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,782.56 : 1,022,975.08 = 357,493.21 : x
  2. Step 2: Convert to fraction form
    681,782.56/1,022,975.08 = 357,493.21/x
  3. Step 3: Cross multiply
    681,782.56x = 1,022,975.08 × 357,493.21
  4. Step 4: Simplify right side
    681,782.56x = 365,706,645,099.21
  5. Step 5: Solve for x
    x = 365,706,645,099.21/681,782.56
  6. Step 6: Final answer
    x = 536,397.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.