Home / 839,064.48-1,258,573.68-207,964.32

Finding the Fourth Proportional to 839,064.48, 1,258,573.68 and 207,964.32

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Solution

The fourth proportional to 839,064.48, 1,258,573.68 and 207,964.32 is: 311,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,064.48 : 1,258,573.68 = 207,964.32 : x
  2. Step 2: Convert to fraction form
    839,064.48/1,258,573.68 = 207,964.32/x
  3. Step 3: Cross multiply
    839,064.48x = 1,258,573.68 × 207,964.32
  4. Step 4: Simplify right side
    839,064.48x = 261,738,419,531.10
  5. Step 5: Solve for x
    x = 261,738,419,531.10/839,064.48
  6. Step 6: Final answer
    x = 311,940.77

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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.