Home / 816,850.14-1,225,333.53-217,808.16

Finding the Fourth Proportional to 816,850.14, 1,225,333.53 and 217,808.16

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Solution

The fourth proportional to 816,850.14, 1,225,333.53 and 217,808.16 is: 326,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,850.14 : 1,225,333.53 = 217,808.16 : x
  2. Step 2: Convert to fraction form
    816,850.14/1,225,333.53 = 217,808.16/x
  3. Step 3: Cross multiply
    816,850.14x = 1,225,333.53 × 217,808.16
  4. Step 4: Simplify right side
    816,850.14x = 266,887,641,555.61
  5. Step 5: Solve for x
    x = 266,887,641,555.61/816,850.14
  6. Step 6: Final answer
    x = 326,727.79

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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.