Home / 909,092.88-1,254,556.64-501,209.18

Finding the Fourth Proportional to 909,092.88, 1,254,556.64 and 501,209.18

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Solution

The fourth proportional to 909,092.88, 1,254,556.64 and 501,209.18 is: 691,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,092.88 : 1,254,556.64 = 501,209.18 : x
  2. Step 2: Convert to fraction form
    909,092.88/1,254,556.64 = 501,209.18/x
  3. Step 3: Cross multiply
    909,092.88x = 1,254,556.64 × 501,209.18
  4. Step 4: Simplify right side
    909,092.88x = 628,795,304,797.96
  5. Step 5: Solve for x
    x = 628,795,304,797.96/909,092.88
  6. Step 6: Final answer
    x = 691,673.34

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1.5x scale

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.