Home / 673,729.30-1,010,610.15-200,430.10

Finding the Fourth Proportional to 673,729.30, 1,010,610.15 and 200,430.10

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Solution

The fourth proportional to 673,729.30, 1,010,610.15 and 200,430.10 is: 300,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,729.30 : 1,010,610.15 = 200,430.10 : x
  2. Step 2: Convert to fraction form
    673,729.30/1,010,610.15 = 200,430.10/x
  3. Step 3: Cross multiply
    673,729.30x = 1,010,610.15 × 200,430.10
  4. Step 4: Simplify right side
    673,729.30x = 202,556,693,425.52
  5. Step 5: Solve for x
    x = 202,556,693,425.52/673,729.30
  6. Step 6: Final answer
    x = 300,649.97

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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.