Home / 3,078,352.80-4,617,529.20-834,490.80

Finding the Fourth Proportional to 3,078,352.80, 4,617,529.20 and 834,490.80

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Solution

The fourth proportional to 3,078,352.80, 4,617,529.20 and 834,490.80 is: 1,251,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,352.80 : 4,617,529.20 = 834,490.80 : x
  2. Step 2: Convert to fraction form
    3,078,352.80/4,617,529.20 = 834,490.80/x
  3. Step 3: Cross multiply
    3,078,352.80x = 4,617,529.20 × 834,490.80
  4. Step 4: Simplify right side
    3,078,352.80x = 3,853,285,636,131.36
  5. Step 5: Solve for x
    x = 3,853,285,636,131.36/3,078,352.80
  6. Step 6: Final answer
    x = 1,251,736.20

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Double scale
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Similar ratio
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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.