Home / 839,889.32-1,259,838.60-208,803.13

Finding the Fourth Proportional to 839,889.32, 1,259,838.60 and 208,803.13

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Solution

The fourth proportional to 839,889.32, 1,259,838.60 and 208,803.13 is: 313,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,889.32 : 1,259,838.60 = 208,803.13 : x
  2. Step 2: Convert to fraction form
    839,889.32/1,259,838.60 = 208,803.13/x
  3. Step 3: Cross multiply
    839,889.32x = 1,259,838.60 × 208,803.13
  4. Step 4: Simplify right side
    839,889.32x = 263,058,247,890.58
  5. Step 5: Solve for x
    x = 263,058,247,890.58/839,889.32
  6. Step 6: Final answer
    x = 313,205.85

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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.