Home / 816,532.32-1,126,839.06-448,990.44

Finding the Fourth Proportional to 816,532.32, 1,126,839.06 and 448,990.44

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Solution

The fourth proportional to 816,532.32, 1,126,839.06 and 448,990.44 is: 619,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,532.32 : 1,126,839.06 = 448,990.44 : x
  2. Step 2: Convert to fraction form
    816,532.32/1,126,839.06 = 448,990.44/x
  3. Step 3: Cross multiply
    816,532.32x = 1,126,839.06 × 448,990.44
  4. Step 4: Simplify right side
    816,532.32x = 505,939,965,358.59
  5. Step 5: Solve for x
    x = 505,939,965,358.59/816,532.32
  6. Step 6: Final answer
    x = 619,620.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.