Home / 909,610.20-1,255,267.84-501,722.96

Finding the Fourth Proportional to 909,610.20, 1,255,267.84 and 501,722.96

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Solution

The fourth proportional to 909,610.20, 1,255,267.84 and 501,722.96 is: 692,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,610.20 : 1,255,267.84 = 501,722.96 : x
  2. Step 2: Convert to fraction form
    909,610.20/1,255,267.84 = 501,722.96/x
  3. Step 3: Cross multiply
    909,610.20x = 1,255,267.84 × 501,722.96
  4. Step 4: Simplify right side
    909,610.20x = 629,796,696,277.61
  5. Step 5: Solve for x
    x = 629,796,696,277.61/909,610.20
  6. Step 6: Final answer
    x = 692,380.86

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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.