Home / 890,315.26-1,335,460.82-216,394.55

Finding the Fourth Proportional to 890,315.26, 1,335,460.82 and 216,394.55

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Solution

The fourth proportional to 890,315.26, 1,335,460.82 and 216,394.55 is: 324,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,315.26 : 1,335,460.82 = 216,394.55 : x
  2. Step 2: Convert to fraction form
    890,315.26/1,335,460.82 = 216,394.55/x
  3. Step 3: Cross multiply
    890,315.26x = 1,335,460.82 × 216,394.55
  4. Step 4: Simplify right side
    890,315.26x = 288,986,449,164.42
  5. Step 5: Solve for x
    x = 288,986,449,164.42/890,315.26
  6. Step 6: Final answer
    x = 324,588.90

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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.