Home / 648,442.08-894,846.56-376,576.72

Finding the Fourth Proportional to 648,442.08, 894,846.56 and 376,576.72

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Solution

The fourth proportional to 648,442.08, 894,846.56 and 376,576.72 is: 519,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,442.08 : 894,846.56 = 376,576.72 : x
  2. Step 2: Convert to fraction form
    648,442.08/894,846.56 = 376,576.72/x
  3. Step 3: Cross multiply
    648,442.08x = 894,846.56 × 376,576.72
  4. Step 4: Simplify right side
    648,442.08x = 336,978,382,468.08
  5. Step 5: Solve for x
    x = 336,978,382,468.08/648,442.08
  6. Step 6: Final answer
    x = 519,673.83

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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.