Home / 876,378.75-1,314,568.13-211,530.75

Finding the Fourth Proportional to 876,378.75, 1,314,568.13 and 211,530.75

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Solution

The fourth proportional to 876,378.75, 1,314,568.13 and 211,530.75 is: 317,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,378.75 : 1,314,568.13 = 211,530.75 : x
  2. Step 2: Convert to fraction form
    876,378.75/1,314,568.13 = 211,530.75/x
  3. Step 3: Cross multiply
    876,378.75x = 1,314,568.13 × 211,530.75
  4. Step 4: Simplify right side
    876,378.75x = 278,071,582,465.00
  5. Step 5: Solve for x
    x = 278,071,582,465.00/876,378.75
  6. Step 6: Final answer
    x = 317,296.13

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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.