Home / 671,937.17-1,008,228.96-419,152.77

Finding the Fourth Proportional to 671,937.17, 1,008,228.96 and 419,152.77

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Solution

The fourth proportional to 671,937.17, 1,008,228.96 and 419,152.77 is: 628,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,937.17 : 1,008,228.96 = 419,152.77 : x
  2. Step 2: Convert to fraction form
    671,937.17/1,008,228.96 = 419,152.77/x
  3. Step 3: Cross multiply
    671,937.17x = 1,008,228.96 × 419,152.77
  4. Step 4: Simplify right side
    671,937.17x = 422,601,961,378.22
  5. Step 5: Solve for x
    x = 422,601,961,378.22/671,937.17
  6. Step 6: Final answer
    x = 628,930.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.