Home / 690,860.20-1,036,290.30-241,431.70

Finding the Fourth Proportional to 690,860.20, 1,036,290.30 and 241,431.70

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Solution

The fourth proportional to 690,860.20, 1,036,290.30 and 241,431.70 is: 362,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,860.20 : 1,036,290.30 = 241,431.70 : x
  2. Step 2: Convert to fraction form
    690,860.20/1,036,290.30 = 241,431.70/x
  3. Step 3: Cross multiply
    690,860.20x = 1,036,290.30 × 241,431.70
  4. Step 4: Simplify right side
    690,860.20x = 250,193,328,822.51
  5. Step 5: Solve for x
    x = 250,193,328,822.51/690,860.20
  6. Step 6: Final answer
    x = 362,147.55

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Similar ratio
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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.