Home / 681,009.56-939,792.66-375,088.04

Finding the Fourth Proportional to 681,009.56, 939,792.66 and 375,088.04

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Solution

The fourth proportional to 681,009.56, 939,792.66 and 375,088.04 is: 517,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,009.56 : 939,792.66 = 375,088.04 : x
  2. Step 2: Convert to fraction form
    681,009.56/939,792.66 = 375,088.04/x
  3. Step 3: Cross multiply
    681,009.56x = 939,792.66 × 375,088.04
  4. Step 4: Simplify right side
    681,009.56x = 352,504,986,845.79
  5. Step 5: Solve for x
    x = 352,504,986,845.79/681,009.56
  6. Step 6: Final answer
    x = 517,621.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.