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Finding the Fourth Proportional to 566,310.93, 781,662.61 and 333,940.81

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Solution

The fourth proportional to 566,310.93, 781,662.61 and 333,940.81 is: 460,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,310.93 : 781,662.61 = 333,940.81 : x
  2. Step 2: Convert to fraction form
    566,310.93/781,662.61 = 333,940.81/x
  3. Step 3: Cross multiply
    566,310.93x = 781,662.61 × 333,940.81
  4. Step 4: Simplify right side
    566,310.93x = 261,029,045,130.11
  5. Step 5: Solve for x
    x = 261,029,045,130.11/566,310.93
  6. Step 6: Final answer
    x = 460,928.85

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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.