Home / 941,147.40-1,411,202.70-309,736.20

Finding the Fourth Proportional to 941,147.40, 1,411,202.70 and 309,736.20

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Solution

The fourth proportional to 941,147.40, 1,411,202.70 and 309,736.20 is: 464,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,147.40 : 1,411,202.70 = 309,736.20 : x
  2. Step 2: Convert to fraction form
    941,147.40/1,411,202.70 = 309,736.20/x
  3. Step 3: Cross multiply
    941,147.40x = 1,411,202.70 × 309,736.20
  4. Step 4: Simplify right side
    941,147.40x = 437,100,561,727.74
  5. Step 5: Solve for x
    x = 437,100,561,727.74/941,147.40
  6. Step 6: Final answer
    x = 464,433.69

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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.