Home / 555,727.84-766,905.18-301,079.03

Finding the Fourth Proportional to 555,727.84, 766,905.18 and 301,079.03

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Solution

The fourth proportional to 555,727.84, 766,905.18 and 301,079.03 is: 415,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,727.84 : 766,905.18 = 301,079.03 : x
  2. Step 2: Convert to fraction form
    555,727.84/766,905.18 = 301,079.03/x
  3. Step 3: Cross multiply
    555,727.84x = 766,905.18 × 301,079.03
  4. Step 4: Simplify right side
    555,727.84x = 230,899,065,608.70
  5. Step 5: Solve for x
    x = 230,899,065,608.70/555,727.84
  6. Step 6: Final answer
    x = 415,489.47

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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.