Home / 641,274.76-961,902.42-220,554.28

Finding the Fourth Proportional to 641,274.76, 961,902.42 and 220,554.28

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Solution

The fourth proportional to 641,274.76, 961,902.42 and 220,554.28 is: 330,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,274.76 : 961,902.42 = 220,554.28 : x
  2. Step 2: Convert to fraction form
    641,274.76/961,902.42 = 220,554.28/x
  3. Step 3: Cross multiply
    641,274.76x = 961,902.42 × 220,554.28
  4. Step 4: Simplify right side
    641,274.76x = 212,151,695,673.36
  5. Step 5: Solve for x
    x = 212,151,695,673.36/641,274.76
  6. Step 6: Final answer
    x = 330,828.08

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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.