Home / 725,612.58-1,088,429.85-276,358.32

Finding the Fourth Proportional to 725,612.58, 1,088,429.85 and 276,358.32

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Solution

The fourth proportional to 725,612.58, 1,088,429.85 and 276,358.32 is: 414,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,612.58 : 1,088,429.85 = 276,358.32 : x
  2. Step 2: Convert to fraction form
    725,612.58/1,088,429.85 = 276,358.32/x
  3. Step 3: Cross multiply
    725,612.58x = 1,088,429.85 × 276,358.32
  4. Step 4: Simplify right side
    725,612.58x = 300,796,644,783.85
  5. Step 5: Solve for x
    x = 300,796,644,783.85/725,612.58
  6. Step 6: Final answer
    x = 414,541.66

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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.