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Finding the Fourth Proportional to 549,997.97, 826,260.01 and 388,263.92

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Solution

The fourth proportional to 549,997.97, 826,260.01 and 388,263.92 is: 583,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,997.97 : 826,260.01 = 388,263.92 : x
  2. Step 2: Convert to fraction form
    549,997.97/826,260.01 = 388,263.92/x
  3. Step 3: Cross multiply
    549,997.97x = 826,260.01 × 388,263.92
  4. Step 4: Simplify right side
    549,997.97x = 320,806,945,319.88
  5. Step 5: Solve for x
    x = 320,806,945,319.88/549,997.97
  6. Step 6: Final answer
    x = 583,287.51

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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.