Home / 839,095.70-1,258,643.55-240,092.60

Finding the Fourth Proportional to 839,095.70, 1,258,643.55 and 240,092.60

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Solution

The fourth proportional to 839,095.70, 1,258,643.55 and 240,092.60 is: 360,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,095.70 : 1,258,643.55 = 240,092.60 : x
  2. Step 2: Convert to fraction form
    839,095.70/1,258,643.55 = 240,092.60/x
  3. Step 3: Cross multiply
    839,095.70x = 1,258,643.55 × 240,092.60
  4. Step 4: Simplify right side
    839,095.70x = 302,191,002,392.73
  5. Step 5: Solve for x
    x = 302,191,002,392.73/839,095.70
  6. Step 6: Final answer
    x = 360,138.90

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Double scale
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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.