Home / 864,408.96-1,296,743.04-303,344.64

Finding the Fourth Proportional to 864,408.96, 1,296,743.04 and 303,344.64

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Solution

The fourth proportional to 864,408.96, 1,296,743.04 and 303,344.64 is: 455,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,408.96 : 1,296,743.04 = 303,344.64 : x
  2. Step 2: Convert to fraction form
    864,408.96/1,296,743.04 = 303,344.64/x
  3. Step 3: Cross multiply
    864,408.96x = 1,296,743.04 × 303,344.64
  4. Step 4: Simplify right side
    864,408.96x = 393,360,050,641.31
  5. Step 5: Solve for x
    x = 393,360,050,641.31/864,408.96
  6. Step 6: Final answer
    x = 455,062.44

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Double scale
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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.