Home / 810,333.33-1,215,500.91-211,293.99

Finding the Fourth Proportional to 810,333.33, 1,215,500.91 and 211,293.99

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Solution

The fourth proportional to 810,333.33, 1,215,500.91 and 211,293.99 is: 316,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,333.33 : 1,215,500.91 = 211,293.99 : x
  2. Step 2: Convert to fraction form
    810,333.33/1,215,500.91 = 211,293.99/x
  3. Step 3: Cross multiply
    810,333.33x = 1,215,500.91 × 211,293.99
  4. Step 4: Simplify right side
    810,333.33x = 256,828,037,122.53
  5. Step 5: Solve for x
    x = 256,828,037,122.53/810,333.33
  6. Step 6: Final answer
    x = 316,941.22

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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.