Home / 959,662.72-1,438,348.92-446,637.48

Finding the Fourth Proportional to 959,662.72, 1,438,348.92 and 446,637.48

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Solution

The fourth proportional to 959,662.72, 1,438,348.92 and 446,637.48 is: 669,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,662.72 : 1,438,348.92 = 446,637.48 : x
  2. Step 2: Convert to fraction form
    959,662.72/1,438,348.92 = 446,637.48/x
  3. Step 3: Cross multiply
    959,662.72x = 1,438,348.92 × 446,637.48
  4. Step 4: Simplify right side
    959,662.72x = 642,420,536,989.52
  5. Step 5: Solve for x
    x = 642,420,536,989.52/959,662.72
  6. Step 6: Final answer
    x = 669,423.25

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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.