Home / 647,018.48-892,889.06-375,247.53

Finding the Fourth Proportional to 647,018.48, 892,889.06 and 375,247.53

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Solution

The fourth proportional to 647,018.48, 892,889.06 and 375,247.53 is: 517,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,018.48 : 892,889.06 = 375,247.53 : x
  2. Step 2: Convert to fraction form
    647,018.48/892,889.06 = 375,247.53/x
  3. Step 3: Cross multiply
    647,018.48x = 892,889.06 × 375,247.53
  4. Step 4: Simplify right side
    647,018.48x = 335,054,412,452.78
  5. Step 5: Solve for x
    x = 335,054,412,452.78/647,018.48
  6. Step 6: Final answer
    x = 517,843.66

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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.