Home / 909,076.28-1,254,533.38-501,192.58

Finding the Fourth Proportional to 909,076.28, 1,254,533.38 and 501,192.58

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Solution

The fourth proportional to 909,076.28, 1,254,533.38 and 501,192.58 is: 691,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,076.28 : 1,254,533.38 = 501,192.58 : x
  2. Step 2: Convert to fraction form
    909,076.28/1,254,533.38 = 501,192.58/x
  3. Step 3: Cross multiply
    909,076.28x = 1,254,533.38 × 501,192.58
  4. Step 4: Simplify right side
    909,076.28x = 628,762,821,418.32
  5. Step 5: Solve for x
    x = 628,762,821,418.32/909,076.28
  6. Step 6: Final answer
    x = 691,650.23

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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.