Home / 679,757.16-1,018,084.68-325,022.07

Finding the Fourth Proportional to 679,757.16, 1,018,084.68 and 325,022.07

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Solution

The fourth proportional to 679,757.16, 1,018,084.68 and 325,022.07 is: 486,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,757.16 : 1,018,084.68 = 325,022.07 : x
  2. Step 2: Convert to fraction form
    679,757.16/1,018,084.68 = 325,022.07/x
  3. Step 3: Cross multiply
    679,757.16x = 1,018,084.68 × 325,022.07
  4. Step 4: Simplify right side
    679,757.16x = 330,899,990,128.89
  5. Step 5: Solve for x
    x = 330,899,990,128.89/679,757.16
  6. Step 6: Final answer
    x = 486,791.47

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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.