Home / 638,227.63-880,738.96-347,848.39

Finding the Fourth Proportional to 638,227.63, 880,738.96 and 347,848.39

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Solution

The fourth proportional to 638,227.63, 880,738.96 and 347,848.39 is: 480,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,227.63 : 880,738.96 = 347,848.39 : x
  2. Step 2: Convert to fraction form
    638,227.63/880,738.96 = 347,848.39/x
  3. Step 3: Cross multiply
    638,227.63x = 880,738.96 × 347,848.39
  4. Step 4: Simplify right side
    638,227.63x = 306,363,629,246.27
  5. Step 5: Solve for x
    x = 306,363,629,246.27/638,227.63
  6. Step 6: Final answer
    x = 480,022.51

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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.