Home / 680,790.56-1,020,712.91-301,504.59

Finding the Fourth Proportional to 680,790.56, 1,020,712.91 and 301,504.59

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Solution

The fourth proportional to 680,790.56, 1,020,712.91 and 301,504.59 is: 452,047.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,790.56 : 1,020,712.91 = 301,504.59 : x
  2. Step 2: Convert to fraction form
    680,790.56/1,020,712.91 = 301,504.59/x
  3. Step 3: Cross multiply
    680,790.56x = 1,020,712.91 × 301,504.59
  4. Step 4: Simplify right side
    680,790.56x = 307,749,625,929.73
  5. Step 5: Solve for x
    x = 307,749,625,929.73/680,790.56
  6. Step 6: Final answer
    x = 452,047.44

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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.