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Finding the Fourth Proportional to 888,420.06, 1,332,640.42 and 248,685.81

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Solution

The fourth proportional to 888,420.06, 1,332,640.42 and 248,685.81 is: 373,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,420.06 : 1,332,640.42 = 248,685.81 : x
  2. Step 2: Convert to fraction form
    888,420.06/1,332,640.42 = 248,685.81/x
  3. Step 3: Cross multiply
    888,420.06x = 1,332,640.42 × 248,685.81
  4. Step 4: Simplify right side
    888,420.06x = 331,408,756,667.32
  5. Step 5: Solve for x
    x = 331,408,756,667.32/888,420.06
  6. Step 6: Final answer
    x = 373,031.60

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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.