Home / 679,614-1,018,783.94-230,020.26

Finding the Fourth Proportional to 679,614, 1,018,783.94 and 230,020.26

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Solution

The fourth proportional to 679,614, 1,018,783.94 and 230,020.26 is: 344,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,614 : 1,018,783.94 = 230,020.26 : x
  2. Step 2: Convert to fraction form
    679,614/1,018,783.94 = 230,020.26/x
  3. Step 3: Cross multiply
    679,614x = 1,018,783.94 × 230,020.26
  4. Step 4: Simplify right side
    679,614x = 234,340,945,612.52
  5. Step 5: Solve for x
    x = 234,340,945,612.52/679,614
  6. Step 6: Final answer
    x = 344,814.77

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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.