Home / 839,710.40-1,259,857.20-366,735.20

Finding the Fourth Proportional to 839,710.40, 1,259,857.20 and 366,735.20

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Solution

The fourth proportional to 839,710.40, 1,259,857.20 and 366,735.20 is: 550,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,710.40 : 1,259,857.20 = 366,735.20 : x
  2. Step 2: Convert to fraction form
    839,710.40/1,259,857.20 = 366,735.20/x
  3. Step 3: Cross multiply
    839,710.40x = 1,259,857.20 × 366,735.20
  4. Step 4: Simplify right side
    839,710.40x = 462,033,982,213.44
  5. Step 5: Solve for x
    x = 462,033,982,213.44/839,710.40
  6. Step 6: Final answer
    x = 550,230.15

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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.