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Finding the Fourth Proportional to 558,509, 770,745.84 and 303,862.04

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Solution

The fourth proportional to 558,509, 770,745.84 and 303,862.04 is: 419,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,509 : 770,745.84 = 303,862.04 : x
  2. Step 2: Convert to fraction form
    558,509/770,745.84 = 303,862.04/x
  3. Step 3: Cross multiply
    558,509x = 770,745.84 × 303,862.04
  4. Step 4: Simplify right side
    558,509x = 234,200,403,263.91
  5. Step 5: Solve for x
    x = 234,200,403,263.91/558,509
  6. Step 6: Final answer
    x = 419,331.48

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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.