Home / 741,291.40-1,111,515.74-291,768.58

Finding the Fourth Proportional to 741,291.40, 1,111,515.74 and 291,768.58

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Solution

The fourth proportional to 741,291.40, 1,111,515.74 and 291,768.58 is: 437,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,291.40 : 1,111,515.74 = 291,768.58 : x
  2. Step 2: Convert to fraction form
    741,291.40/1,111,515.74 = 291,768.58/x
  3. Step 3: Cross multiply
    741,291.40x = 1,111,515.74 × 291,768.58
  4. Step 4: Simplify right side
    741,291.40x = 324,305,369,107.45
  5. Step 5: Solve for x
    x = 324,305,369,107.45/741,291.40
  6. Step 6: Final answer
    x = 437,487.02

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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.