Home / 810,273.16-1,215,410.28-211,232.80

Finding the Fourth Proportional to 810,273.16, 1,215,410.28 and 211,232.80

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Solution

The fourth proportional to 810,273.16, 1,215,410.28 and 211,232.80 is: 316,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,273.16 : 1,215,410.28 = 211,232.80 : x
  2. Step 2: Convert to fraction form
    810,273.16/1,215,410.28 = 211,232.80/x
  3. Step 3: Cross multiply
    810,273.16x = 1,215,410.28 × 211,232.80
  4. Step 4: Simplify right side
    810,273.16x = 256,734,516,593.18
  5. Step 5: Solve for x
    x = 256,734,516,593.18/810,273.16
  6. Step 6: Final answer
    x = 316,849.34

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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.