Home / 907,648.20-1,361,666.70-276,625.80

Finding the Fourth Proportional to 907,648.20, 1,361,666.70 and 276,625.80

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Solution

The fourth proportional to 907,648.20, 1,361,666.70 and 276,625.80 is: 414,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,648.20 : 1,361,666.70 = 276,625.80 : x
  2. Step 2: Convert to fraction form
    907,648.20/1,361,666.70 = 276,625.80/x
  3. Step 3: Cross multiply
    907,648.20x = 1,361,666.70 × 276,625.80
  4. Step 4: Simplify right side
    907,648.20x = 376,672,140,220.86
  5. Step 5: Solve for x
    x = 376,672,140,220.86/907,648.20
  6. Step 6: Final answer
    x = 414,997.95

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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.