Home / 679,255.64-937,382.52-373,360.31

Finding the Fourth Proportional to 679,255.64, 937,382.52 and 373,360.31

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Solution

The fourth proportional to 679,255.64, 937,382.52 and 373,360.31 is: 515,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,255.64 : 937,382.52 = 373,360.31 : x
  2. Step 2: Convert to fraction form
    679,255.64/937,382.52 = 373,360.31/x
  3. Step 3: Cross multiply
    679,255.64x = 937,382.52 × 373,360.31
  4. Step 4: Simplify right side
    679,255.64x = 349,981,428,255.78
  5. Step 5: Solve for x
    x = 349,981,428,255.78/679,255.64
  6. Step 6: Final answer
    x = 515,242.58

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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.