Home / 913,967.43-1,371,231.41-408,953.49

Finding the Fourth Proportional to 913,967.43, 1,371,231.41 and 408,953.49

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Solution

The fourth proportional to 913,967.43, 1,371,231.41 and 408,953.49 is: 613,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,967.43 : 1,371,231.41 = 408,953.49 : x
  2. Step 2: Convert to fraction form
    913,967.43/1,371,231.41 = 408,953.49/x
  3. Step 3: Cross multiply
    913,967.43x = 1,371,231.41 × 408,953.49
  4. Step 4: Simplify right side
    913,967.43x = 560,769,870,717.12
  5. Step 5: Solve for x
    x = 560,769,870,717.12/913,967.43
  6. Step 6: Final answer
    x = 613,555.64

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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.