Home / 805,245.75-1,111,260.40-437,747.61

Finding the Fourth Proportional to 805,245.75, 1,111,260.40 and 437,747.61

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Solution

The fourth proportional to 805,245.75, 1,111,260.40 and 437,747.61 is: 604,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,245.75 : 1,111,260.40 = 437,747.61 : x
  2. Step 2: Convert to fraction form
    805,245.75/1,111,260.40 = 437,747.61/x
  3. Step 3: Cross multiply
    805,245.75x = 1,111,260.40 × 437,747.61
  4. Step 4: Simplify right side
    805,245.75x = 486,451,590,101.66
  5. Step 5: Solve for x
    x = 486,451,590,101.66/805,245.75
  6. Step 6: Final answer
    x = 604,103.27

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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.