Home / 859,989.26-1,186,785.94-472,811.27

Finding the Fourth Proportional to 859,989.26, 1,186,785.94 and 472,811.27

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Solution

The fourth proportional to 859,989.26, 1,186,785.94 and 472,811.27 is: 652,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,989.26 : 1,186,785.94 = 472,811.27 : x
  2. Step 2: Convert to fraction form
    859,989.26/1,186,785.94 = 472,811.27/x
  3. Step 3: Cross multiply
    859,989.26x = 1,186,785.94 × 472,811.27
  4. Step 4: Simplify right side
    859,989.26x = 561,125,759,211.56
  5. Step 5: Solve for x
    x = 561,125,759,211.56/859,989.26
  6. Step 6: Final answer
    x = 652,479.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.