Home / 467,640.06-645,319.08-263,685.30

Finding the Fourth Proportional to 467,640.06, 645,319.08 and 263,685.30

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Solution

The fourth proportional to 467,640.06, 645,319.08 and 263,685.30 is: 363,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,640.06 : 645,319.08 = 263,685.30 : x
  2. Step 2: Convert to fraction form
    467,640.06/645,319.08 = 263,685.30/x
  3. Step 3: Cross multiply
    467,640.06x = 645,319.08 × 263,685.30
  4. Step 4: Simplify right side
    467,640.06x = 170,161,155,205.52
  5. Step 5: Solve for x
    x = 170,161,155,205.52/467,640.06
  6. Step 6: Final answer
    x = 363,872.07

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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.