Home / 889,701.66-1,334,589.40-258,615.47

Finding the Fourth Proportional to 889,701.66, 1,334,589.40 and 258,615.47

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Solution

The fourth proportional to 889,701.66, 1,334,589.40 and 258,615.47 is: 387,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,701.66 : 1,334,589.40 = 258,615.47 : x
  2. Step 2: Convert to fraction form
    889,701.66/1,334,589.40 = 258,615.47/x
  3. Step 3: Cross multiply
    889,701.66x = 1,334,589.40 × 258,615.47
  4. Step 4: Simplify right side
    889,701.66x = 345,145,467,627.95
  5. Step 5: Solve for x
    x = 345,145,467,627.95/889,701.66
  6. Step 6: Final answer
    x = 387,933.94

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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.