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Finding the Fourth Proportional to 890,664, 1,229,194.08 and 488,333.76

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Solution

The fourth proportional to 890,664, 1,229,194.08 and 488,333.76 is: 673,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,664 : 1,229,194.08 = 488,333.76 : x
  2. Step 2: Convert to fraction form
    890,664/1,229,194.08 = 488,333.76/x
  3. Step 3: Cross multiply
    890,664x = 1,229,194.08 × 488,333.76
  4. Step 4: Simplify right side
    890,664x = 600,256,966,856.14
  5. Step 5: Solve for x
    x = 600,256,966,856.14/890,664
  6. Step 6: Final answer
    x = 673,943.22

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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.