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Finding the Fourth Proportional to 898,004.90, 1,347,007.35 and 866,512.10

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Solution

The fourth proportional to 898,004.90, 1,347,007.35 and 866,512.10 is: 1,299,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,004.90 : 1,347,007.35 = 866,512.10 : x
  2. Step 2: Convert to fraction form
    898,004.90/1,347,007.35 = 866,512.10/x
  3. Step 3: Cross multiply
    898,004.90x = 1,347,007.35 × 866,512.10
  4. Step 4: Simplify right side
    898,004.90x = 1,167,198,167,563.94
  5. Step 5: Solve for x
    x = 1,167,198,167,563.94/898,004.90
  6. Step 6: Final answer
    x = 1,299,768.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.