Home / 673,982.12-1,010,473.80-318,580.85

Finding the Fourth Proportional to 673,982.12, 1,010,473.80 and 318,580.85

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Solution

The fourth proportional to 673,982.12, 1,010,473.80 and 318,580.85 is: 477,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,982.12 : 1,010,473.80 = 318,580.85 : x
  2. Step 2: Convert to fraction form
    673,982.12/1,010,473.80 = 318,580.85/x
  3. Step 3: Cross multiply
    673,982.12x = 1,010,473.80 × 318,580.85
  4. Step 4: Simplify right side
    673,982.12x = 321,917,597,054.36
  5. Step 5: Solve for x
    x = 321,917,597,054.36/673,982.12
  6. Step 6: Final answer
    x = 477,635.22

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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.