Home / 876,162.80-1,314,244.20-211,314.80

Finding the Fourth Proportional to 876,162.80, 1,314,244.20 and 211,314.80

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Solution

The fourth proportional to 876,162.80, 1,314,244.20 and 211,314.80 is: 316,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,162.80 : 1,314,244.20 = 211,314.80 : x
  2. Step 2: Convert to fraction form
    876,162.80/1,314,244.20 = 211,314.80/x
  3. Step 3: Cross multiply
    876,162.80x = 1,314,244.20 × 211,314.80
  4. Step 4: Simplify right side
    876,162.80x = 277,719,250,274.16
  5. Step 5: Solve for x
    x = 277,719,250,274.16/876,162.80
  6. Step 6: Final answer
    x = 316,972.20

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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.