Home / 909,705.08-1,255,394.22-501,797.72

Finding the Fourth Proportional to 909,705.08, 1,255,394.22 and 501,797.72

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Solution

The fourth proportional to 909,705.08, 1,255,394.22 and 501,797.72 is: 692,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,705.08 : 1,255,394.22 = 501,797.72 : x
  2. Step 2: Convert to fraction form
    909,705.08/1,255,394.22 = 501,797.72/x
  3. Step 3: Cross multiply
    909,705.08x = 1,255,394.22 × 501,797.72
  4. Step 4: Simplify right side
    909,705.08x = 629,953,957,297.18
  5. Step 5: Solve for x
    x = 629,953,957,297.18/909,705.08
  6. Step 6: Final answer
    x = 692,481.52

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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.