Home / 761,833.84-1,142,828.56-263,133.04

Finding the Fourth Proportional to 761,833.84, 1,142,828.56 and 263,133.04

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Solution

The fourth proportional to 761,833.84, 1,142,828.56 and 263,133.04 is: 394,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,833.84 : 1,142,828.56 = 263,133.04 : x
  2. Step 2: Convert to fraction form
    761,833.84/1,142,828.56 = 263,133.04/x
  3. Step 3: Cross multiply
    761,833.84x = 1,142,828.56 × 263,133.04
  4. Step 4: Simplify right side
    761,833.84x = 300,715,953,191.62
  5. Step 5: Solve for x
    x = 300,715,953,191.62/761,833.84
  6. Step 6: Final answer
    x = 394,726.43

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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.