Home / 682,470.96-1,021,606.56-445,302.96

Finding the Fourth Proportional to 682,470.96, 1,021,606.56 and 445,302.96

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Solution

The fourth proportional to 682,470.96, 1,021,606.56 and 445,302.96 is: 666,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,470.96 : 1,021,606.56 = 445,302.96 : x
  2. Step 2: Convert to fraction form
    682,470.96/1,021,606.56 = 445,302.96/x
  3. Step 3: Cross multiply
    682,470.96x = 1,021,606.56 × 445,302.96
  4. Step 4: Simplify right side
    682,470.96x = 454,924,425,123.42
  5. Step 5: Solve for x
    x = 454,924,425,123.42/682,470.96
  6. Step 6: Final answer
    x = 666,584.30

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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.