Home / 679,647.02-937,893.06-373,723.07

Finding the Fourth Proportional to 679,647.02, 937,893.06 and 373,723.07

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Solution

The fourth proportional to 679,647.02, 937,893.06 and 373,723.07 is: 515,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,647.02 : 937,893.06 = 373,723.07 : x
  2. Step 2: Convert to fraction form
    679,647.02/937,893.06 = 373,723.07/x
  3. Step 3: Cross multiply
    679,647.02x = 937,893.06 × 373,723.07
  4. Step 4: Simplify right side
    679,647.02x = 350,512,269,025.43
  5. Step 5: Solve for x
    x = 350,512,269,025.43/679,647.02
  6. Step 6: Final answer
    x = 515,726.93

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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.