Home / 769,123.92-1,152,076.68-618,550.32

Finding the Fourth Proportional to 769,123.92, 1,152,076.68 and 618,550.32

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Solution

The fourth proportional to 769,123.92, 1,152,076.68 and 618,550.32 is: 926,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,123.92 : 1,152,076.68 = 618,550.32 : x
  2. Step 2: Convert to fraction form
    769,123.92/1,152,076.68 = 618,550.32/x
  3. Step 3: Cross multiply
    769,123.92x = 1,152,076.68 × 618,550.32
  4. Step 4: Simplify right side
    769,123.92x = 712,617,399,078.54
  5. Step 5: Solve for x
    x = 712,617,399,078.54/769,123.92
  6. Step 6: Final answer
    x = 926,531.32

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1.5x scale

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.