Home / 864,886.68-1,297,392.66-332,408.34

Finding the Fourth Proportional to 864,886.68, 1,297,392.66 and 332,408.34

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Solution

The fourth proportional to 864,886.68, 1,297,392.66 and 332,408.34 is: 498,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,886.68 : 1,297,392.66 = 332,408.34 : x
  2. Step 2: Convert to fraction form
    864,886.68/1,297,392.66 = 332,408.34/x
  3. Step 3: Cross multiply
    864,886.68x = 1,297,392.66 × 332,408.34
  4. Step 4: Simplify right side
    864,886.68x = 431,264,140,438.78
  5. Step 5: Solve for x
    x = 431,264,140,438.78/864,886.68
  6. Step 6: Final answer
    x = 498,636.58

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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.