Home / 805,245.65-1,111,260.41-437,747.64

Finding the Fourth Proportional to 805,245.65, 1,111,260.41 and 437,747.64

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Solution

The fourth proportional to 805,245.65, 1,111,260.41 and 437,747.64 is: 604,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,245.65 : 1,111,260.41 = 437,747.64 : x
  2. Step 2: Convert to fraction form
    805,245.65/1,111,260.41 = 437,747.64/x
  3. Step 3: Cross multiply
    805,245.65x = 1,111,260.41 × 437,747.64
  4. Step 4: Simplify right side
    805,245.65x = 486,451,619,714.19
  5. Step 5: Solve for x
    x = 486,451,619,714.19/805,245.65
  6. Step 6: Final answer
    x = 604,103.38

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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.