Home / 715,753.50-1,073,636.73-217,117.50

Finding the Fourth Proportional to 715,753.50, 1,073,636.73 and 217,117.50

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Solution

The fourth proportional to 715,753.50, 1,073,636.73 and 217,117.50 is: 325,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,753.50 : 1,073,636.73 = 217,117.50 : x
  2. Step 2: Convert to fraction form
    715,753.50/1,073,636.73 = 217,117.50/x
  3. Step 3: Cross multiply
    715,753.50x = 1,073,636.73 × 217,117.50
  4. Step 4: Simplify right side
    715,753.50x = 233,105,322,725.78
  5. Step 5: Solve for x
    x = 233,105,322,725.78/715,753.50
  6. Step 6: Final answer
    x = 325,678.22

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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.