Home / 680,902.08-1,021,189.10-301,613.10

Finding the Fourth Proportional to 680,902.08, 1,021,189.10 and 301,613.10

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Solution

The fourth proportional to 680,902.08, 1,021,189.10 and 301,613.10 is: 452,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,902.08 : 1,021,189.10 = 301,613.10 : x
  2. Step 2: Convert to fraction form
    680,902.08/1,021,189.10 = 301,613.10/x
  3. Step 3: Cross multiply
    680,902.08x = 1,021,189.10 × 301,613.10
  4. Step 4: Simplify right side
    680,902.08x = 308,004,008,629.15
  5. Step 5: Solve for x
    x = 308,004,008,629.15/680,902.08
  6. Step 6: Final answer
    x = 452,346.99

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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.