Home / 816,695.28-1,224,945.72-217,701.36

Finding the Fourth Proportional to 816,695.28, 1,224,945.72 and 217,701.36

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Solution

The fourth proportional to 816,695.28, 1,224,945.72 and 217,701.36 is: 326,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,695.28 : 1,224,945.72 = 217,701.36 : x
  2. Step 2: Convert to fraction form
    816,695.28/1,224,945.72 = 217,701.36/x
  3. Step 3: Cross multiply
    816,695.28x = 1,224,945.72 × 217,701.36
  4. Step 4: Simplify right side
    816,695.28x = 266,672,349,170.18
  5. Step 5: Solve for x
    x = 266,672,349,170.18/816,695.28
  6. Step 6: Final answer
    x = 326,526.13

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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.