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Finding the Fourth Proportional to 585,080.88, 804,311.74 and 503,108.92

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Solution

The fourth proportional to 585,080.88, 804,311.74 and 503,108.92 is: 691,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,080.88 : 804,311.74 = 503,108.92 : x
  2. Step 2: Convert to fraction form
    585,080.88/804,311.74 = 503,108.92/x
  3. Step 3: Cross multiply
    585,080.88x = 804,311.74 × 503,108.92
  4. Step 4: Simplify right side
    585,080.88x = 404,656,410,854.72
  5. Step 5: Solve for x
    x = 404,656,410,854.72/585,080.88
  6. Step 6: Final answer
    x = 691,624.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.