Home / 638,003.43-880,483.91-351,523.44

Finding the Fourth Proportional to 638,003.43, 880,483.91 and 351,523.44

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Solution

The fourth proportional to 638,003.43, 880,483.91 and 351,523.44 is: 485,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,003.43 : 880,483.91 = 351,523.44 : x
  2. Step 2: Convert to fraction form
    638,003.43/880,483.91 = 351,523.44/x
  3. Step 3: Cross multiply
    638,003.43x = 880,483.91 × 351,523.44
  4. Step 4: Simplify right side
    638,003.43x = 309,510,731,150.23
  5. Step 5: Solve for x
    x = 309,510,731,150.23/638,003.43
  6. Step 6: Final answer
    x = 485,123.93

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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.