Home / 816,746.37-1,225,177.88-217,704.39

Finding the Fourth Proportional to 816,746.37, 1,225,177.88 and 217,704.39

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Solution

The fourth proportional to 816,746.37, 1,225,177.88 and 217,704.39 is: 326,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,746.37 : 1,225,177.88 = 217,704.39 : x
  2. Step 2: Convert to fraction form
    816,746.37/1,225,177.88 = 217,704.39/x
  3. Step 3: Cross multiply
    816,746.37x = 1,225,177.88 × 217,704.39
  4. Step 4: Simplify right side
    816,746.37x = 266,726,601,918.37
  5. Step 5: Solve for x
    x = 266,726,601,918.37/816,746.37
  6. Step 6: Final answer
    x = 326,572.13

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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.