Home / 863,280.93-1,294,746.44-294,353.54

Finding the Fourth Proportional to 863,280.93, 1,294,746.44 and 294,353.54

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Solution

The fourth proportional to 863,280.93, 1,294,746.44 and 294,353.54 is: 441,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,280.93 : 1,294,746.44 = 294,353.54 : x
  2. Step 2: Convert to fraction form
    863,280.93/1,294,746.44 = 294,353.54/x
  3. Step 3: Cross multiply
    863,280.93x = 1,294,746.44 × 294,353.54
  4. Step 4: Simplify right side
    863,280.93x = 381,113,190,070.90
  5. Step 5: Solve for x
    x = 381,113,190,070.90/863,280.93
  6. Step 6: Final answer
    x = 441,470.65

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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.