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Finding the Fourth Proportional to 545,086.26, 751,575.33 and 373,087.26

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Solution

The fourth proportional to 545,086.26, 751,575.33 and 373,087.26 is: 514,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,086.26 : 751,575.33 = 373,087.26 : x
  2. Step 2: Convert to fraction form
    545,086.26/751,575.33 = 373,087.26/x
  3. Step 3: Cross multiply
    545,086.26x = 751,575.33 × 373,087.26
  4. Step 4: Simplify right side
    545,086.26x = 280,403,180,553.30
  5. Step 5: Solve for x
    x = 280,403,180,553.30/545,086.26
  6. Step 6: Final answer
    x = 514,419.83

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1.5x scale

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.