Home / 863,280.77-1,295,039.34-294,509.17

Finding the Fourth Proportional to 863,280.77, 1,295,039.34 and 294,509.17

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Solution

The fourth proportional to 863,280.77, 1,295,039.34 and 294,509.17 is: 441,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,280.77 : 1,295,039.34 = 294,509.17 : x
  2. Step 2: Convert to fraction form
    863,280.77/1,295,039.34 = 294,509.17/x
  3. Step 3: Cross multiply
    863,280.77x = 1,295,039.34 × 294,509.17
  4. Step 4: Simplify right side
    863,280.77x = 381,400,955,474.95
  5. Step 5: Solve for x
    x = 381,400,955,474.95/863,280.77
  6. Step 6: Final answer
    x = 441,804.06

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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.