Home / 679,100.94-1,018,018.29-229,507.44

Finding the Fourth Proportional to 679,100.94, 1,018,018.29 and 229,507.44

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Solution

The fourth proportional to 679,100.94, 1,018,018.29 and 229,507.44 is: 344,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,100.94 : 1,018,018.29 = 229,507.44 : x
  2. Step 2: Convert to fraction form
    679,100.94/1,018,018.29 = 229,507.44/x
  3. Step 3: Cross multiply
    679,100.94x = 1,018,018.29 × 229,507.44
  4. Step 4: Simplify right side
    679,100.94x = 233,642,771,611.08
  5. Step 5: Solve for x
    x = 233,642,771,611.08/679,100.94
  6. Step 6: Final answer
    x = 344,047.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.