Home / 766,608.40-1,150,134.64-317,246.32

Finding the Fourth Proportional to 766,608.40, 1,150,134.64 and 317,246.32

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Solution

The fourth proportional to 766,608.40, 1,150,134.64 and 317,246.32 is: 475,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,608.40 : 1,150,134.64 = 317,246.32 : x
  2. Step 2: Convert to fraction form
    766,608.40/1,150,134.64 = 317,246.32/x
  3. Step 3: Cross multiply
    766,608.40x = 1,150,134.64 × 317,246.32
  4. Step 4: Simplify right side
    766,608.40x = 364,875,982,044.53
  5. Step 5: Solve for x
    x = 364,875,982,044.53/766,608.40
  6. Step 6: Final answer
    x = 475,961.37

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Double scale
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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.