Home / 913,675.68-1,370,793.78-408,661.74

Finding the Fourth Proportional to 913,675.68, 1,370,793.78 and 408,661.74

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Solution

The fourth proportional to 913,675.68, 1,370,793.78 and 408,661.74 is: 613,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,675.68 : 1,370,793.78 = 408,661.74 : x
  2. Step 2: Convert to fraction form
    913,675.68/1,370,793.78 = 408,661.74/x
  3. Step 3: Cross multiply
    913,675.68x = 1,370,793.78 × 408,661.74
  4. Step 4: Simplify right side
    913,675.68x = 560,190,971,315.98
  5. Step 5: Solve for x
    x = 560,190,971,315.98/913,675.68
  6. Step 6: Final answer
    x = 613,117.96

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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.