Home / 892,607.95-1,339,138.48-413,181.32

Finding the Fourth Proportional to 892,607.95, 1,339,138.48 and 413,181.32

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Solution

The fourth proportional to 892,607.95, 1,339,138.48 and 413,181.32 is: 619,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,607.95 : 1,339,138.48 = 413,181.32 : x
  2. Step 2: Convert to fraction form
    892,607.95/1,339,138.48 = 413,181.32/x
  3. Step 3: Cross multiply
    892,607.95x = 1,339,138.48 × 413,181.32
  4. Step 4: Simplify right side
    892,607.95x = 553,307,007,144.09
  5. Step 5: Solve for x
    x = 553,307,007,144.09/892,607.95
  6. Step 6: Final answer
    x = 619,876.86

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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.