Home / 811,177.44-1,216,937.52-305,727.72

Finding the Fourth Proportional to 811,177.44, 1,216,937.52 and 305,727.72

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Solution

The fourth proportional to 811,177.44, 1,216,937.52 and 305,727.72 is: 458,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,177.44 : 1,216,937.52 = 305,727.72 : x
  2. Step 2: Convert to fraction form
    811,177.44/1,216,937.52 = 305,727.72/x
  3. Step 3: Cross multiply
    811,177.44x = 1,216,937.52 × 305,727.72
  4. Step 4: Simplify right side
    811,177.44x = 372,051,533,372.05
  5. Step 5: Solve for x
    x = 372,051,533,372.05/811,177.44
  6. Step 6: Final answer
    x = 458,656.16

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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.