Home / 729,717.78-1,007,001-407,433.36

Finding the Fourth Proportional to 729,717.78, 1,007,001 and 407,433.36

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Solution

The fourth proportional to 729,717.78, 1,007,001 and 407,433.36 is: 562,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,717.78 : 1,007,001 = 407,433.36 : x
  2. Step 2: Convert to fraction form
    729,717.78/1,007,001 = 407,433.36/x
  3. Step 3: Cross multiply
    729,717.78x = 1,007,001 × 407,433.36
  4. Step 4: Simplify right side
    729,717.78x = 410,285,800,953.36
  5. Step 5: Solve for x
    x = 410,285,800,953.36/729,717.78
  6. Step 6: Final answer
    x = 562,252.71

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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.