Home / 679,146.21-937,221.17-373,242.22

Finding the Fourth Proportional to 679,146.21, 937,221.17 and 373,242.22

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Solution

The fourth proportional to 679,146.21, 937,221.17 and 373,242.22 is: 515,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,146.21 : 937,221.17 = 373,242.22 : x
  2. Step 2: Convert to fraction form
    679,146.21/937,221.17 = 373,242.22/x
  3. Step 3: Cross multiply
    679,146.21x = 937,221.17 × 373,242.22
  4. Step 4: Simplify right side
    679,146.21x = 349,810,505,912.53
  5. Step 5: Solve for x
    x = 349,810,505,912.53/679,146.21
  6. Step 6: Final answer
    x = 515,073.93

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1.5x scale

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.