Home / 646,330.47-969,611.19-219,844.50

Finding the Fourth Proportional to 646,330.47, 969,611.19 and 219,844.50

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Solution

The fourth proportional to 646,330.47, 969,611.19 and 219,844.50 is: 329,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,330.47 : 969,611.19 = 219,844.50 : x
  2. Step 2: Convert to fraction form
    646,330.47/969,611.19 = 219,844.50/x
  3. Step 3: Cross multiply
    646,330.47x = 969,611.19 × 219,844.50
  4. Step 4: Simplify right side
    646,330.47x = 213,163,687,259.96
  5. Step 5: Solve for x
    x = 213,163,687,259.96/646,330.47
  6. Step 6: Final answer
    x = 329,806.03

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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.