Home / 673,777.80-1,010,666.70-408,057.30

Finding the Fourth Proportional to 673,777.80, 1,010,666.70 and 408,057.30

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Solution

The fourth proportional to 673,777.80, 1,010,666.70 and 408,057.30 is: 612,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,777.80 : 1,010,666.70 = 408,057.30 : x
  2. Step 2: Convert to fraction form
    673,777.80/1,010,666.70 = 408,057.30/x
  3. Step 3: Cross multiply
    673,777.80x = 1,010,666.70 × 408,057.30
  4. Step 4: Simplify right side
    673,777.80x = 412,409,924,801.91
  5. Step 5: Solve for x
    x = 412,409,924,801.91/673,777.80
  6. Step 6: Final answer
    x = 612,085.95

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Similar ratio
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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.