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Finding the Fourth Proportional to 725,316, 1,088,012.88 and 226,718.88

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Solution

The fourth proportional to 725,316, 1,088,012.88 and 226,718.88 is: 340,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,316 : 1,088,012.88 = 226,718.88 : x
  2. Step 2: Convert to fraction form
    725,316/1,088,012.88 = 226,718.88/x
  3. Step 3: Cross multiply
    725,316x = 1,088,012.88 × 226,718.88
  4. Step 4: Simplify right side
    725,316x = 246,673,061,579.17
  5. Step 5: Solve for x
    x = 246,673,061,579.17/725,316
  6. Step 6: Final answer
    x = 340,090.47

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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.