Home / 913,678.68-1,370,798.46-408,664.56

Finding the Fourth Proportional to 913,678.68, 1,370,798.46 and 408,664.56

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Solution

The fourth proportional to 913,678.68, 1,370,798.46 and 408,664.56 is: 613,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,678.68 : 1,370,798.46 = 408,664.56 : x
  2. Step 2: Convert to fraction form
    913,678.68/1,370,798.46 = 408,664.56/x
  3. Step 3: Cross multiply
    913,678.68x = 1,370,798.46 × 408,664.56
  4. Step 4: Simplify right side
    913,678.68x = 560,196,749,504.58
  5. Step 5: Solve for x
    x = 560,196,749,504.58/913,678.68
  6. Step 6: Final answer
    x = 613,122.27

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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.