Home / 679,426.60-1,018,880.70-205,954.60

Finding the Fourth Proportional to 679,426.60, 1,018,880.70 and 205,954.60

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Solution

The fourth proportional to 679,426.60, 1,018,880.70 and 205,954.60 is: 308,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,426.60 : 1,018,880.70 = 205,954.60 : x
  2. Step 2: Convert to fraction form
    679,426.60/1,018,880.70 = 205,954.60/x
  3. Step 3: Cross multiply
    679,426.60x = 1,018,880.70 × 205,954.60
  4. Step 4: Simplify right side
    679,426.60x = 209,843,167,016.22
  5. Step 5: Solve for x
    x = 209,843,167,016.22/679,426.60
  6. Step 6: Final answer
    x = 308,853.33

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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.