Home / 679,369.68-1,019,058.17-206,055.50

Finding the Fourth Proportional to 679,369.68, 1,019,058.17 and 206,055.50

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Solution

The fourth proportional to 679,369.68, 1,019,058.17 and 206,055.50 is: 309,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,369.68 : 1,019,058.17 = 206,055.50 : x
  2. Step 2: Convert to fraction form
    679,369.68/1,019,058.17 = 206,055.50/x
  3. Step 3: Cross multiply
    679,369.68x = 1,019,058.17 × 206,055.50
  4. Step 4: Simplify right side
    679,369.68x = 209,982,534,622.87
  5. Step 5: Solve for x
    x = 209,982,534,622.87/679,369.68
  6. Step 6: Final answer
    x = 309,084.35

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Double scale
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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.