Home / 844,455.20-1,266,765.96-245,421.59

Finding the Fourth Proportional to 844,455.20, 1,266,765.96 and 245,421.59

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Solution

The fourth proportional to 844,455.20, 1,266,765.96 and 245,421.59 is: 368,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,455.20 : 1,266,765.96 = 245,421.59 : x
  2. Step 2: Convert to fraction form
    844,455.20/1,266,765.96 = 245,421.59/x
  3. Step 3: Cross multiply
    844,455.20x = 1,266,765.96 × 245,421.59
  4. Step 4: Simplify right side
    844,455.20x = 310,891,716,061.08
  5. Step 5: Solve for x
    x = 310,891,716,061.08/844,455.20
  6. Step 6: Final answer
    x = 368,156.55

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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.