Home / 909,886.33-1,255,634.44-501,991.46

Finding the Fourth Proportional to 909,886.33, 1,255,634.44 and 501,991.46

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Solution

The fourth proportional to 909,886.33, 1,255,634.44 and 501,991.46 is: 692,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,886.33 : 1,255,634.44 = 501,991.46 : x
  2. Step 2: Convert to fraction form
    909,886.33/1,255,634.44 = 501,991.46/x
  3. Step 3: Cross multiply
    909,886.33x = 1,255,634.44 × 501,991.46
  4. Step 4: Simplify right side
    909,886.33x = 630,317,765,761.06
  5. Step 5: Solve for x
    x = 630,317,765,761.06/909,886.33
  6. Step 6: Final answer
    x = 692,743.42

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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.