Home / 725,602.64-1,088,414.82-276,348.32

Finding the Fourth Proportional to 725,602.64, 1,088,414.82 and 276,348.32

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Solution

The fourth proportional to 725,602.64, 1,088,414.82 and 276,348.32 is: 414,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,602.64 : 1,088,414.82 = 276,348.32 : x
  2. Step 2: Convert to fraction form
    725,602.64/1,088,414.82 = 276,348.32/x
  3. Step 3: Cross multiply
    725,602.64x = 1,088,414.82 × 276,348.32
  4. Step 4: Simplify right side
    725,602.64x = 300,781,606,970.10
  5. Step 5: Solve for x
    x = 300,781,606,970.10/725,602.64
  6. Step 6: Final answer
    x = 414,526.62

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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.