Home / 646,145.88-969,285.09-247,122.27

Finding the Fourth Proportional to 646,145.88, 969,285.09 and 247,122.27

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Solution

The fourth proportional to 646,145.88, 969,285.09 and 247,122.27 is: 370,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,145.88 : 969,285.09 = 247,122.27 : x
  2. Step 2: Convert to fraction form
    646,145.88/969,285.09 = 247,122.27/x
  3. Step 3: Cross multiply
    646,145.88x = 969,285.09 × 247,122.27
  4. Step 4: Simplify right side
    646,145.88x = 239,531,931,717.95
  5. Step 5: Solve for x
    x = 239,531,931,717.95/646,145.88
  6. Step 6: Final answer
    x = 370,708.75

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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.