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Finding the Fourth Proportional to 842,695.52, 1,264,361.63 and 505,970.96

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Solution

The fourth proportional to 842,695.52, 1,264,361.63 and 505,970.96 is: 759,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,695.52 : 1,264,361.63 = 505,970.96 : x
  2. Step 2: Convert to fraction form
    842,695.52/1,264,361.63 = 505,970.96/x
  3. Step 3: Cross multiply
    842,695.52x = 1,264,361.63 × 505,970.96
  4. Step 4: Simplify right side
    842,695.52x = 639,730,258,866.60
  5. Step 5: Solve for x
    x = 639,730,258,866.60/842,695.52
  6. Step 6: Final answer
    x = 759,147.58

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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.