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Finding the Fourth Proportional to 564,806.80, 779,730.60 and 349,843.60

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Solution

The fourth proportional to 564,806.80, 779,730.60 and 349,843.60 is: 482,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,806.80 : 779,730.60 = 349,843.60 : x
  2. Step 2: Convert to fraction form
    564,806.80/779,730.60 = 349,843.60/x
  3. Step 3: Cross multiply
    564,806.80x = 779,730.60 × 349,843.60
  4. Step 4: Simplify right side
    564,806.80x = 272,783,760,134.16
  5. Step 5: Solve for x
    x = 272,783,760,134.16/564,806.80
  6. Step 6: Final answer
    x = 482,968.26

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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.