Home / 876,376.75-1,314,565.13-211,528.75

Finding the Fourth Proportional to 876,376.75, 1,314,565.13 and 211,528.75

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Solution

The fourth proportional to 876,376.75, 1,314,565.13 and 211,528.75 is: 317,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,376.75 : 1,314,565.13 = 211,528.75 : x
  2. Step 2: Convert to fraction form
    876,376.75/1,314,565.13 = 211,528.75/x
  3. Step 3: Cross multiply
    876,376.75x = 1,314,565.13 × 211,528.75
  4. Step 4: Simplify right side
    876,376.75x = 278,068,314,398.43
  5. Step 5: Solve for x
    x = 278,068,314,398.43/876,376.75
  6. Step 6: Final answer
    x = 317,293.12

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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.