Home / 467,960.93-645,730.54-263,999.95

Finding the Fourth Proportional to 467,960.93, 645,730.54 and 263,999.95

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Solution

The fourth proportional to 467,960.93, 645,730.54 and 263,999.95 is: 364,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,960.93 : 645,730.54 = 263,999.95 : x
  2. Step 2: Convert to fraction form
    467,960.93/645,730.54 = 263,999.95/x
  3. Step 3: Cross multiply
    467,960.93x = 645,730.54 × 263,999.95
  4. Step 4: Simplify right side
    467,960.93x = 170,472,828,947.34
  5. Step 5: Solve for x
    x = 170,472,828,947.34/467,960.93
  6. Step 6: Final answer
    x = 364,288.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.