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Finding the Fourth Proportional to 567,723.04, 783,422 and 325,835.36

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Solution

The fourth proportional to 567,723.04, 783,422 and 325,835.36 is: 449,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,723.04 : 783,422 = 325,835.36 : x
  2. Step 2: Convert to fraction form
    567,723.04/783,422 = 325,835.36/x
  3. Step 3: Cross multiply
    567,723.04x = 783,422 × 325,835.36
  4. Step 4: Simplify right side
    567,723.04x = 255,266,589,401.92
  5. Step 5: Solve for x
    x = 255,266,589,401.92/567,723.04
  6. Step 6: Final answer
    x = 449,632.25

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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.