Home / 889,559.44-1,334,139.05-409,326.59

Finding the Fourth Proportional to 889,559.44, 1,334,139.05 and 409,326.59

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Solution

The fourth proportional to 889,559.44, 1,334,139.05 and 409,326.59 is: 613,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,559.44 : 1,334,139.05 = 409,326.59 : x
  2. Step 2: Convert to fraction form
    889,559.44/1,334,139.05 = 409,326.59/x
  3. Step 3: Cross multiply
    889,559.44x = 1,334,139.05 × 409,326.59
  4. Step 4: Simplify right side
    889,559.44x = 546,098,587,922.34
  5. Step 5: Solve for x
    x = 546,098,587,922.34/889,559.44
  6. Step 6: Final answer
    x = 613,897.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.