Home / 761,226.28-1,141,061.82-495,520.36

Finding the Fourth Proportional to 761,226.28, 1,141,061.82 and 495,520.36

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Solution

The fourth proportional to 761,226.28, 1,141,061.82 and 495,520.36 is: 742,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,226.28 : 1,141,061.82 = 495,520.36 : x
  2. Step 2: Convert to fraction form
    761,226.28/1,141,061.82 = 495,520.36/x
  3. Step 3: Cross multiply
    761,226.28x = 1,141,061.82 × 495,520.36
  4. Step 4: Simplify right side
    761,226.28x = 565,419,363,828.66
  5. Step 5: Solve for x
    x = 565,419,363,828.66/761,226.28
  6. Step 6: Final answer
    x = 742,774.36

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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.