Home / 638,178.22-880,531.31-362,474.75

Finding the Fourth Proportional to 638,178.22, 880,531.31 and 362,474.75

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Solution

The fourth proportional to 638,178.22, 880,531.31 and 362,474.75 is: 500,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,178.22 : 880,531.31 = 362,474.75 : x
  2. Step 2: Convert to fraction form
    638,178.22/880,531.31 = 362,474.75/x
  3. Step 3: Cross multiply
    638,178.22x = 880,531.31 × 362,474.75
  4. Step 4: Simplify right side
    638,178.22x = 319,170,362,575.03
  5. Step 5: Solve for x
    x = 319,170,362,575.03/638,178.22
  6. Step 6: Final answer
    x = 500,127.32

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1.5x scale

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.