Home / 839,384.27-1,259,321.58-270,752.78

Finding the Fourth Proportional to 839,384.27, 1,259,321.58 and 270,752.78

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Solution

The fourth proportional to 839,384.27, 1,259,321.58 and 270,752.78 is: 406,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,384.27 : 1,259,321.58 = 270,752.78 : x
  2. Step 2: Convert to fraction form
    839,384.27/1,259,321.58 = 270,752.78/x
  3. Step 3: Cross multiply
    839,384.27x = 1,259,321.58 × 270,752.78
  4. Step 4: Simplify right side
    839,384.27x = 340,964,818,698.99
  5. Step 5: Solve for x
    x = 340,964,818,698.99/839,384.27
  6. Step 6: Final answer
    x = 406,208.25

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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.