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Finding the Fourth Proportional to 568,969.94, 785,111.57 and 314,305.94

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Solution

The fourth proportional to 568,969.94, 785,111.57 and 314,305.94 is: 433,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,969.94 : 785,111.57 = 314,305.94 : x
  2. Step 2: Convert to fraction form
    568,969.94/785,111.57 = 314,305.94/x
  3. Step 3: Cross multiply
    568,969.94x = 785,111.57 × 314,305.94
  4. Step 4: Simplify right side
    568,969.94x = 246,765,232,762.27
  5. Step 5: Solve for x
    x = 246,765,232,762.27/568,969.94
  6. Step 6: Final answer
    x = 433,705.22

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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.