Home / 738,078.20-1,107,311.70-264,714.20

Finding the Fourth Proportional to 738,078.20, 1,107,311.70 and 264,714.20

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Solution

The fourth proportional to 738,078.20, 1,107,311.70 and 264,714.20 is: 397,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,078.20 : 1,107,311.70 = 264,714.20 : x
  2. Step 2: Convert to fraction form
    738,078.20/1,107,311.70 = 264,714.20/x
  3. Step 3: Cross multiply
    738,078.20x = 1,107,311.70 × 264,714.20
  4. Step 4: Simplify right side
    738,078.20x = 293,121,130,816.14
  5. Step 5: Solve for x
    x = 293,121,130,816.14/738,078.20
  6. Step 6: Final answer
    x = 397,141.02

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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.