Home / 555,727.97-766,905.35-301,079.16

Finding the Fourth Proportional to 555,727.97, 766,905.35 and 301,079.16

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Solution

The fourth proportional to 555,727.97, 766,905.35 and 301,079.16 is: 415,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,727.97 : 766,905.35 = 301,079.16 : x
  2. Step 2: Convert to fraction form
    555,727.97/766,905.35 = 301,079.16/x
  3. Step 3: Cross multiply
    555,727.97x = 766,905.35 × 301,079.16
  4. Step 4: Simplify right side
    555,727.97x = 230,899,214,742.98
  5. Step 5: Solve for x
    x = 230,899,214,742.98/555,727.97
  6. Step 6: Final answer
    x = 415,489.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.