Home / 558,539.30-770,784.23-303,892.31

Finding the Fourth Proportional to 558,539.30, 770,784.23 and 303,892.31

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Solution

The fourth proportional to 558,539.30, 770,784.23 and 303,892.31 is: 419,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,539.30 : 770,784.23 = 303,892.31 : x
  2. Step 2: Convert to fraction form
    558,539.30/770,784.23 = 303,892.31/x
  3. Step 3: Cross multiply
    558,539.30x = 770,784.23 × 303,892.31
  4. Step 4: Simplify right side
    558,539.30x = 234,235,397,662.60
  5. Step 5: Solve for x
    x = 234,235,397,662.60/558,539.30
  6. Step 6: Final answer
    x = 419,371.38

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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.