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Finding the Fourth Proportional to 863,064, 1,294,549.02 and 264,025.16

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Solution

The fourth proportional to 863,064, 1,294,549.02 and 264,025.16 is: 396,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,064 : 1,294,549.02 = 264,025.16 : x
  2. Step 2: Convert to fraction form
    863,064/1,294,549.02 = 264,025.16/x
  3. Step 3: Cross multiply
    863,064x = 1,294,549.02 × 264,025.16
  4. Step 4: Simplify right side
    863,064x = 341,793,510,515.16
  5. Step 5: Solve for x
    x = 341,793,510,515.16/863,064
  6. Step 6: Final answer
    x = 396,023.37

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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.