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Finding the Fourth Proportional to 522,660.60, 783,004.32 and 308,790.36

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Solution

The fourth proportional to 522,660.60, 783,004.32 and 308,790.36 is: 462,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,660.60 : 783,004.32 = 308,790.36 : x
  2. Step 2: Convert to fraction form
    522,660.60/783,004.32 = 308,790.36/x
  3. Step 3: Cross multiply
    522,660.60x = 783,004.32 × 308,790.36
  4. Step 4: Simplify right side
    522,660.60x = 241,784,185,854.36
  5. Step 5: Solve for x
    x = 241,784,185,854.36/522,660.60
  6. Step 6: Final answer
    x = 462,602.66

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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.