Home / 863,059.68-1,294,309.43-407,580.48

Finding the Fourth Proportional to 863,059.68, 1,294,309.43 and 407,580.48

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Solution

The fourth proportional to 863,059.68, 1,294,309.43 and 407,580.48 is: 611,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,059.68 : 1,294,309.43 = 407,580.48 : x
  2. Step 2: Convert to fraction form
    863,059.68/1,294,309.43 = 407,580.48/x
  3. Step 3: Cross multiply
    863,059.68x = 1,294,309.43 × 407,580.48
  4. Step 4: Simplify right side
    863,059.68x = 527,535,261,878.72
  5. Step 5: Solve for x
    x = 527,535,261,878.72/863,059.68
  6. Step 6: Final answer
    x = 611,238.45

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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.