Home / 685,035.01-945,350.11-379,132.48

Finding the Fourth Proportional to 685,035.01, 945,350.11 and 379,132.48

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Solution

The fourth proportional to 685,035.01, 945,350.11 and 379,132.48 is: 523,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,035.01 : 945,350.11 = 379,132.48 : x
  2. Step 2: Convert to fraction form
    685,035.01/945,350.11 = 379,132.48/x
  3. Step 3: Cross multiply
    685,035.01x = 945,350.11 × 379,132.48
  4. Step 4: Simplify right side
    685,035.01x = 358,412,931,672.57
  5. Step 5: Solve for x
    x = 358,412,931,672.57/685,035.01
  6. Step 6: Final answer
    x = 523,203.82

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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.