Home / 839,771.40-1,259,277.96-240,595.32

Finding the Fourth Proportional to 839,771.40, 1,259,277.96 and 240,595.32

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Solution

The fourth proportional to 839,771.40, 1,259,277.96 and 240,595.32 is: 360,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,771.40 : 1,259,277.96 = 240,595.32 : x
  2. Step 2: Convert to fraction form
    839,771.40/1,259,277.96 = 240,595.32/x
  3. Step 3: Cross multiply
    839,771.40x = 1,259,277.96 × 240,595.32
  4. Step 4: Simplify right side
    839,771.40x = 302,976,383,755.15
  5. Step 5: Solve for x
    x = 302,976,383,755.15/839,771.40
  6. Step 6: Final answer
    x = 360,784.36

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Double scale
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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.