Home / 761,287.69-1,141,951.53-221,522.17

Finding the Fourth Proportional to 761,287.69, 1,141,951.53 and 221,522.17

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Solution

The fourth proportional to 761,287.69, 1,141,951.53 and 221,522.17 is: 332,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,287.69 : 1,141,951.53 = 221,522.17 : x
  2. Step 2: Convert to fraction form
    761,287.69/1,141,951.53 = 221,522.17/x
  3. Step 3: Cross multiply
    761,287.69x = 1,141,951.53 × 221,522.17
  4. Step 4: Simplify right side
    761,287.69x = 252,967,581,245.23
  5. Step 5: Solve for x
    x = 252,967,581,245.23/761,287.69
  6. Step 6: Final answer
    x = 332,289.07

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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.