Home / 807,078.74-1,210,027.62-274,456.76

Finding the Fourth Proportional to 807,078.74, 1,210,027.62 and 274,456.76

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Solution

The fourth proportional to 807,078.74, 1,210,027.62 and 274,456.76 is: 411,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,078.74 : 1,210,027.62 = 274,456.76 : x
  2. Step 2: Convert to fraction form
    807,078.74/1,210,027.62 = 274,456.76/x
  3. Step 3: Cross multiply
    807,078.74x = 1,210,027.62 × 274,456.76
  4. Step 4: Simplify right side
    807,078.74x = 332,100,260,095.71
  5. Step 5: Solve for x
    x = 332,100,260,095.71/807,078.74
  6. Step 6: Final answer
    x = 411,484.34

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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.