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Finding the Fourth Proportional to 638,093.46, 880,587.50 and 351,632.01

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Solution

The fourth proportional to 638,093.46, 880,587.50 and 351,632.01 is: 485,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,093.46 : 880,587.50 = 351,632.01 : x
  2. Step 2: Convert to fraction form
    638,093.46/880,587.50 = 351,632.01/x
  3. Step 3: Cross multiply
    638,093.46x = 880,587.50 × 351,632.01
  4. Step 4: Simplify right side
    638,093.46x = 309,642,752,605.88
  5. Step 5: Solve for x
    x = 309,642,752,605.88/638,093.46
  6. Step 6: Final answer
    x = 485,262.38

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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.