Home / 729,927.78-1,007,228.37-407,630.97

Finding the Fourth Proportional to 729,927.78, 1,007,228.37 and 407,630.97

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Solution

The fourth proportional to 729,927.78, 1,007,228.37 and 407,630.97 is: 562,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,927.78 : 1,007,228.37 = 407,630.97 : x
  2. Step 2: Convert to fraction form
    729,927.78/1,007,228.37 = 407,630.97/x
  3. Step 3: Cross multiply
    729,927.78x = 1,007,228.37 × 407,630.97
  4. Step 4: Simplify right side
    729,927.78x = 410,577,477,474.62
  5. Step 5: Solve for x
    x = 410,577,477,474.62/729,927.78
  6. Step 6: Final answer
    x = 562,490.55

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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.