Home / 909,076.91-1,254,534.25-501,193.21

Finding the Fourth Proportional to 909,076.91, 1,254,534.25 and 501,193.21

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Solution

The fourth proportional to 909,076.91, 1,254,534.25 and 501,193.21 is: 691,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,076.91 : 1,254,534.25 = 501,193.21 : x
  2. Step 2: Convert to fraction form
    909,076.91/1,254,534.25 = 501,193.21/x
  3. Step 3: Cross multiply
    909,076.91x = 1,254,534.25 × 501,193.21
  4. Step 4: Simplify right side
    909,076.91x = 628,764,047,812.44
  5. Step 5: Solve for x
    x = 628,764,047,812.44/909,076.91
  6. Step 6: Final answer
    x = 691,651.10

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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.