Home / 730,109.64-1,007,540.58-407,824.20

Finding the Fourth Proportional to 730,109.64, 1,007,540.58 and 407,824.20

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Solution

The fourth proportional to 730,109.64, 1,007,540.58 and 407,824.20 is: 562,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,109.64 : 1,007,540.58 = 407,824.20 : x
  2. Step 2: Convert to fraction form
    730,109.64/1,007,540.58 = 407,824.20/x
  3. Step 3: Cross multiply
    730,109.64x = 1,007,540.58 × 407,824.20
  4. Step 4: Simplify right side
    730,109.64x = 410,899,431,006.04
  5. Step 5: Solve for x
    x = 410,899,431,006.04/730,109.64
  6. Step 6: Final answer
    x = 562,791.41

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1.5x scale

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.