Home / 769,853.76-1,152,528.84-449,024.64

Finding the Fourth Proportional to 769,853.76, 1,152,528.84 and 449,024.64

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Solution

The fourth proportional to 769,853.76, 1,152,528.84 and 449,024.64 is: 672,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,853.76 : 1,152,528.84 = 449,024.64 : x
  2. Step 2: Convert to fraction form
    769,853.76/1,152,528.84 = 449,024.64/x
  3. Step 3: Cross multiply
    769,853.76x = 1,152,528.84 × 449,024.64
  4. Step 4: Simplify right side
    769,853.76x = 517,513,847,470.62
  5. Step 5: Solve for x
    x = 517,513,847,470.62/769,853.76
  6. Step 6: Final answer
    x = 672,223.58

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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.