Home / 680,511.68-1,020,996.48-301,379.84

Finding the Fourth Proportional to 680,511.68, 1,020,996.48 and 301,379.84

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Solution

The fourth proportional to 680,511.68, 1,020,996.48 and 301,379.84 is: 452,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,511.68 : 1,020,996.48 = 301,379.84 : x
  2. Step 2: Convert to fraction form
    680,511.68/1,020,996.48 = 301,379.84/x
  3. Step 3: Cross multiply
    680,511.68x = 1,020,996.48 × 301,379.84
  4. Step 4: Simplify right side
    680,511.68x = 307,707,755,782.96
  5. Step 5: Solve for x
    x = 307,707,755,782.96/680,511.68
  6. Step 6: Final answer
    x = 452,171.16

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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.