Home / 909,694.08-1,255,379.04-501,786.72

Finding the Fourth Proportional to 909,694.08, 1,255,379.04 and 501,786.72

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Solution

The fourth proportional to 909,694.08, 1,255,379.04 and 501,786.72 is: 692,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,694.08 : 1,255,379.04 = 501,786.72 : x
  2. Step 2: Convert to fraction form
    909,694.08/1,255,379.04 = 501,786.72/x
  3. Step 3: Cross multiply
    909,694.08x = 1,255,379.04 × 501,786.72
  4. Step 4: Simplify right side
    909,694.08x = 629,932,530,838.35
  5. Step 5: Solve for x
    x = 629,932,530,838.35/909,694.08
  6. Step 6: Final answer
    x = 692,466.34

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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.