Home / 909,314.82-1,254,796.43-501,419.30

Finding the Fourth Proportional to 909,314.82, 1,254,796.43 and 501,419.30

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Solution

The fourth proportional to 909,314.82, 1,254,796.43 and 501,419.30 is: 691,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,314.82 : 1,254,796.43 = 501,419.30 : x
  2. Step 2: Convert to fraction form
    909,314.82/1,254,796.43 = 501,419.30/x
  3. Step 3: Cross multiply
    909,314.82x = 1,254,796.43 × 501,419.30
  4. Step 4: Simplify right side
    909,314.82x = 629,179,138,792.02
  5. Step 5: Solve for x
    x = 629,179,138,792.02/909,314.82
  6. Step 6: Final answer
    x = 691,926.63

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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.