Home / 839,116.10-1,258,674.15-240,096.80

Finding the Fourth Proportional to 839,116.10, 1,258,674.15 and 240,096.80

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Solution

The fourth proportional to 839,116.10, 1,258,674.15 and 240,096.80 is: 360,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,116.10 : 1,258,674.15 = 240,096.80 : x
  2. Step 2: Convert to fraction form
    839,116.10/1,258,674.15 = 240,096.80/x
  3. Step 3: Cross multiply
    839,116.10x = 1,258,674.15 × 240,096.80
  4. Step 4: Simplify right side
    839,116.10x = 302,203,635,657.72
  5. Step 5: Solve for x
    x = 302,203,635,657.72/839,116.10
  6. Step 6: Final answer
    x = 360,145.20

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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.