Home / 669,720.11-923,845.66-424,255.34

Finding the Fourth Proportional to 669,720.11, 923,845.66 and 424,255.34

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Solution

The fourth proportional to 669,720.11, 923,845.66 and 424,255.34 is: 585,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,720.11 : 923,845.66 = 424,255.34 : x
  2. Step 2: Convert to fraction form
    669,720.11/923,845.66 = 424,255.34/x
  3. Step 3: Cross multiply
    669,720.11x = 923,845.66 × 424,255.34
  4. Step 4: Simplify right side
    669,720.11x = 391,946,455,839.80
  5. Step 5: Solve for x
    x = 391,946,455,839.80/669,720.11
  6. Step 6: Final answer
    x = 585,239.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.