Home / 889,701.95-1,334,589.82-258,615.76

Finding the Fourth Proportional to 889,701.95, 1,334,589.82 and 258,615.76

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Solution

The fourth proportional to 889,701.95, 1,334,589.82 and 258,615.76 is: 387,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,701.95 : 1,334,589.82 = 258,615.76 : x
  2. Step 2: Convert to fraction form
    889,701.95/1,334,589.82 = 258,615.76/x
  3. Step 3: Cross multiply
    889,701.95x = 1,334,589.82 × 258,615.76
  4. Step 4: Simplify right side
    889,701.95x = 345,145,956,604.55
  5. Step 5: Solve for x
    x = 345,145,956,604.55/889,701.95
  6. Step 6: Final answer
    x = 387,934.36

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1.5x scale

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.