Home / 673,077.30-1,008,255.15-419,579.70

Finding the Fourth Proportional to 673,077.30, 1,008,255.15 and 419,579.70

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Solution

The fourth proportional to 673,077.30, 1,008,255.15 and 419,579.70 is: 628,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,077.30 : 1,008,255.15 = 419,579.70 : x
  2. Step 2: Convert to fraction form
    673,077.30/1,008,255.15 = 419,579.70/x
  3. Step 3: Cross multiply
    673,077.30x = 1,008,255.15 × 419,579.70
  4. Step 4: Simplify right side
    673,077.30x = 423,043,393,360.46
  5. Step 5: Solve for x
    x = 423,043,393,360.46/673,077.30
  6. Step 6: Final answer
    x = 628,521.26

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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.