Home / 388,010.20-582,015.30-360,016.60

Finding the Fourth Proportional to 388,010.20, 582,015.30 and 360,016.60

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Solution

The fourth proportional to 388,010.20, 582,015.30 and 360,016.60 is: 540,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,010.20 : 582,015.30 = 360,016.60 : x
  2. Step 2: Convert to fraction form
    388,010.20/582,015.30 = 360,016.60/x
  3. Step 3: Cross multiply
    388,010.20x = 582,015.30 × 360,016.60
  4. Step 4: Simplify right side
    388,010.20x = 209,535,169,453.98
  5. Step 5: Solve for x
    x = 209,535,169,453.98/388,010.20
  6. Step 6: Final answer
    x = 540,024.90

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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.