Home / 816,377.22-1,224,543.26-217,343.58

Finding the Fourth Proportional to 816,377.22, 1,224,543.26 and 217,343.58

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Solution

The fourth proportional to 816,377.22, 1,224,543.26 and 217,343.58 is: 326,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,377.22 : 1,224,543.26 = 217,343.58 : x
  2. Step 2: Convert to fraction form
    816,377.22/1,224,543.26 = 217,343.58/x
  3. Step 3: Cross multiply
    816,377.22x = 1,224,543.26 × 217,343.58
  4. Step 4: Simplify right side
    816,377.22x = 266,146,615,993.27
  5. Step 5: Solve for x
    x = 266,146,615,993.27/816,377.22
  6. Step 6: Final answer
    x = 326,009.36

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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.