Home / 816,071.64-1,224,010.08-217,076.64

Finding the Fourth Proportional to 816,071.64, 1,224,010.08 and 217,076.64

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Solution

The fourth proportional to 816,071.64, 1,224,010.08 and 217,076.64 is: 325,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,071.64 : 1,224,010.08 = 217,076.64 : x
  2. Step 2: Convert to fraction form
    816,071.64/1,224,010.08 = 217,076.64/x
  3. Step 3: Cross multiply
    816,071.64x = 1,224,010.08 × 217,076.64
  4. Step 4: Simplify right side
    816,071.64x = 265,703,995,492.53
  5. Step 5: Solve for x
    x = 265,703,995,492.53/816,071.64
  6. Step 6: Final answer
    x = 325,589.06

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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.