Home / 646,055.28-968,453.40-309,007.92

Finding the Fourth Proportional to 646,055.28, 968,453.40 and 309,007.92

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Solution

The fourth proportional to 646,055.28, 968,453.40 and 309,007.92 is: 463,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,055.28 : 968,453.40 = 309,007.92 : x
  2. Step 2: Convert to fraction form
    646,055.28/968,453.40 = 309,007.92/x
  3. Step 3: Cross multiply
    646,055.28x = 968,453.40 × 309,007.92
  4. Step 4: Simplify right side
    646,055.28x = 299,259,770,750.93
  5. Step 5: Solve for x
    x = 299,259,770,750.93/646,055.28
  6. Step 6: Final answer
    x = 463,210.78

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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.