Home / 802,810.52-1,204,219.79-203,771.86

Finding the Fourth Proportional to 802,810.52, 1,204,219.79 and 203,771.86

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Solution

The fourth proportional to 802,810.52, 1,204,219.79 and 203,771.86 is: 305,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,810.52 : 1,204,219.79 = 203,771.86 : x
  2. Step 2: Convert to fraction form
    802,810.52/1,204,219.79 = 203,771.86/x
  3. Step 3: Cross multiply
    802,810.52x = 1,204,219.79 × 203,771.86
  4. Step 4: Simplify right side
    802,810.52x = 245,386,106,457.11
  5. Step 5: Solve for x
    x = 245,386,106,457.11/802,810.52
  6. Step 6: Final answer
    x = 305,658.81

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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.