Home / 432,778.13-648,976.58-230,325.41

Finding the Fourth Proportional to 432,778.13, 648,976.58 and 230,325.41

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Solution

The fourth proportional to 432,778.13, 648,976.58 and 230,325.41 is: 345,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,778.13 : 648,976.58 = 230,325.41 : x
  2. Step 2: Convert to fraction form
    432,778.13/648,976.58 = 230,325.41/x
  3. Step 3: Cross multiply
    432,778.13x = 648,976.58 × 230,325.41
  4. Step 4: Simplify right side
    432,778.13x = 149,475,792,472.39
  5. Step 5: Solve for x
    x = 149,475,792,472.39/432,778.13
  6. Step 6: Final answer
    x = 345,386.66

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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.