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Finding the Fourth Proportional to 567,727.02, 783,427.50 and 325,839.36

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Solution

The fourth proportional to 567,727.02, 783,427.50 and 325,839.36 is: 449,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,727.02 : 783,427.50 = 325,839.36 : x
  2. Step 2: Convert to fraction form
    567,727.02/783,427.50 = 325,839.36/x
  3. Step 3: Cross multiply
    567,727.02x = 783,427.50 × 325,839.36
  4. Step 4: Simplify right side
    567,727.02x = 255,271,515,206.40
  5. Step 5: Solve for x
    x = 255,271,515,206.40/567,727.02
  6. Step 6: Final answer
    x = 449,637.78

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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.