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Finding the Fourth Proportional to 562,563.70, 776,336.61 and 307,912.66

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Solution

The fourth proportional to 562,563.70, 776,336.61 and 307,912.66 is: 424,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,563.70 : 776,336.61 = 307,912.66 : x
  2. Step 2: Convert to fraction form
    562,563.70/776,336.61 = 307,912.66/x
  3. Step 3: Cross multiply
    562,563.70x = 776,336.61 × 307,912.66
  4. Step 4: Simplify right side
    562,563.70x = 239,043,870,640.48
  5. Step 5: Solve for x
    x = 239,043,870,640.48/562,563.70
  6. Step 6: Final answer
    x = 424,918.76

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