Home / 757,517.27-1,045,367.78-413,345.43

Finding the Fourth Proportional to 757,517.27, 1,045,367.78 and 413,345.43

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Solution

The fourth proportional to 757,517.27, 1,045,367.78 and 413,345.43 is: 570,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,517.27 : 1,045,367.78 = 413,345.43 : x
  2. Step 2: Convert to fraction form
    757,517.27/1,045,367.78 = 413,345.43/x
  3. Step 3: Cross multiply
    757,517.27x = 1,045,367.78 × 413,345.43
  4. Step 4: Simplify right side
    757,517.27x = 432,097,992,465.52
  5. Step 5: Solve for x
    x = 432,097,992,465.52/757,517.27
  6. Step 6: Final answer
    x = 570,413.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.