Home / 839,116.20-1,258,674.30-240,113.10

Finding the Fourth Proportional to 839,116.20, 1,258,674.30 and 240,113.10

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Solution

The fourth proportional to 839,116.20, 1,258,674.30 and 240,113.10 is: 360,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,116.20 : 1,258,674.30 = 240,113.10 : x
  2. Step 2: Convert to fraction form
    839,116.20/1,258,674.30 = 240,113.10/x
  3. Step 3: Cross multiply
    839,116.20x = 1,258,674.30 × 240,113.10
  4. Step 4: Simplify right side
    839,116.20x = 302,224,188,063.33
  5. Step 5: Solve for x
    x = 302,224,188,063.33/839,116.20
  6. Step 6: Final answer
    x = 360,169.65

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Half scale
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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.