Home / 720,119.70-1,080,179.55-246,809.70

Finding the Fourth Proportional to 720,119.70, 1,080,179.55 and 246,809.70

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Solution

The fourth proportional to 720,119.70, 1,080,179.55 and 246,809.70 is: 370,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,119.70 : 1,080,179.55 = 246,809.70 : x
  2. Step 2: Convert to fraction form
    720,119.70/1,080,179.55 = 246,809.70/x
  3. Step 3: Cross multiply
    720,119.70x = 1,080,179.55 × 246,809.70
  4. Step 4: Simplify right side
    720,119.70x = 266,598,790,681.64
  5. Step 5: Solve for x
    x = 266,598,790,681.64/720,119.70
  6. Step 6: Final answer
    x = 370,214.55

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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.