Home / 730,203.62-1,007,645.01-407,849.54

Finding the Fourth Proportional to 730,203.62, 1,007,645.01 and 407,849.54

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Solution

The fourth proportional to 730,203.62, 1,007,645.01 and 407,849.54 is: 562,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,203.62 : 1,007,645.01 = 407,849.54 : x
  2. Step 2: Convert to fraction form
    730,203.62/1,007,645.01 = 407,849.54/x
  3. Step 3: Cross multiply
    730,203.62x = 1,007,645.01 × 407,849.54
  4. Step 4: Simplify right side
    730,203.62x = 410,967,553,811.80
  5. Step 5: Solve for x
    x = 410,967,553,811.80/730,203.62
  6. Step 6: Final answer
    x = 562,812.27

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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.