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Finding the Fourth Proportional to 580,999.80, 873,249.30 and 504,017.40

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Solution

The fourth proportional to 580,999.80, 873,249.30 and 504,017.40 is: 757,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,999.80 : 873,249.30 = 504,017.40 : x
  2. Step 2: Convert to fraction form
    580,999.80/873,249.30 = 504,017.40/x
  3. Step 3: Cross multiply
    580,999.80x = 873,249.30 × 504,017.40
  4. Step 4: Simplify right side
    580,999.80x = 440,132,841,737.82
  5. Step 5: Solve for x
    x = 440,132,841,737.82/580,999.80
  6. Step 6: Final answer
    x = 757,543.88

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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.