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Finding the Fourth Proportional to 567,744.62, 783,461.21 and 325,856.94

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Solution

The fourth proportional to 567,744.62, 783,461.21 and 325,856.94 is: 449,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,744.62 : 783,461.21 = 325,856.94 : x
  2. Step 2: Convert to fraction form
    567,744.62/783,461.21 = 325,856.94/x
  3. Step 3: Cross multiply
    567,744.62x = 783,461.21 × 325,856.94
  4. Step 4: Simplify right side
    567,744.62x = 255,296,270,870.01
  5. Step 5: Solve for x
    x = 255,296,270,870.01/567,744.62
  6. Step 6: Final answer
    x = 449,667.45

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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.