Home / 695,082.72-1,042,706.16-221,602.08

Finding the Fourth Proportional to 695,082.72, 1,042,706.16 and 221,602.08

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Solution

The fourth proportional to 695,082.72, 1,042,706.16 and 221,602.08 is: 332,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,082.72 : 1,042,706.16 = 221,602.08 : x
  2. Step 2: Convert to fraction form
    695,082.72/1,042,706.16 = 221,602.08/x
  3. Step 3: Cross multiply
    695,082.72x = 1,042,706.16 × 221,602.08
  4. Step 4: Simplify right side
    695,082.72x = 231,065,853,884.81
  5. Step 5: Solve for x
    x = 231,065,853,884.81/695,082.72
  6. Step 6: Final answer
    x = 332,429.29

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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.