Home / 730,204.62-1,007,646.39-407,850.54

Finding the Fourth Proportional to 730,204.62, 1,007,646.39 and 407,850.54

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Solution

The fourth proportional to 730,204.62, 1,007,646.39 and 407,850.54 is: 562,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,204.62 : 1,007,646.39 = 407,850.54 : x
  2. Step 2: Convert to fraction form
    730,204.62/1,007,646.39 = 407,850.54/x
  3. Step 3: Cross multiply
    730,204.62x = 1,007,646.39 × 407,850.54
  4. Step 4: Simplify right side
    730,204.62x = 410,969,124,290.55
  5. Step 5: Solve for x
    x = 410,969,124,290.55/730,204.62
  6. Step 6: Final answer
    x = 562,813.65

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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.