Home / 3,131,642.25-4,697,463.38-767,738.25

Finding the Fourth Proportional to 3,131,642.25, 4,697,463.38 and 767,738.25

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Solution

The fourth proportional to 3,131,642.25, 4,697,463.38 and 767,738.25 is: 1,151,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,642.25 : 4,697,463.38 = 767,738.25 : x
  2. Step 2: Convert to fraction form
    3,131,642.25/4,697,463.38 = 767,738.25/x
  3. Step 3: Cross multiply
    3,131,642.25x = 4,697,463.38 × 767,738.25
  4. Step 4: Simplify right side
    3,131,642.25x = 3,606,422,310,961.59
  5. Step 5: Solve for x
    x = 3,606,422,310,961.59/3,131,642.25
  6. Step 6: Final answer
    x = 1,151,607.38

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Double scale
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Similar ratio
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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.