Home / 784,079.73-1,175,979.06-207,706.86

Finding the Fourth Proportional to 784,079.73, 1,175,979.06 and 207,706.86

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Solution

The fourth proportional to 784,079.73, 1,175,979.06 and 207,706.86 is: 311,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,079.73 : 1,175,979.06 = 207,706.86 : x
  2. Step 2: Convert to fraction form
    784,079.73/1,175,979.06 = 207,706.86/x
  3. Step 3: Cross multiply
    784,079.73x = 1,175,979.06 × 207,706.86
  4. Step 4: Simplify right side
    784,079.73x = 244,258,917,978.35
  5. Step 5: Solve for x
    x = 244,258,917,978.35/784,079.73
  6. Step 6: Final answer
    x = 311,523.06

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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.