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Finding the Fourth Proportional to 567,179.82, 782,724.86 and 312,547.41

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Solution

The fourth proportional to 567,179.82, 782,724.86 and 312,547.41 is: 431,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,179.82 : 782,724.86 = 312,547.41 : x
  2. Step 2: Convert to fraction form
    567,179.82/782,724.86 = 312,547.41/x
  3. Step 3: Cross multiply
    567,179.82x = 782,724.86 × 312,547.41
  4. Step 4: Simplify right side
    567,179.82x = 244,638,626,172.88
  5. Step 5: Solve for x
    x = 244,638,626,172.88/567,179.82
  6. Step 6: Final answer
    x = 431,324.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.