Home / 715,394.86-1,073,249.94-396,012.58

Finding the Fourth Proportional to 715,394.86, 1,073,249.94 and 396,012.58

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Solution

The fourth proportional to 715,394.86, 1,073,249.94 and 396,012.58 is: 594,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,394.86 : 1,073,249.94 = 396,012.58 : x
  2. Step 2: Convert to fraction form
    715,394.86/1,073,249.94 = 396,012.58/x
  3. Step 3: Cross multiply
    715,394.86x = 1,073,249.94 × 396,012.58
  4. Step 4: Simplify right side
    715,394.86x = 425,020,477,724.25
  5. Step 5: Solve for x
    x = 425,020,477,724.25/715,394.86
  6. Step 6: Final answer
    x = 594,106.14

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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.