Home / 729,757.11-1,007,054.36-407,472.27

Finding the Fourth Proportional to 729,757.11, 1,007,054.36 and 407,472.27

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Solution

The fourth proportional to 729,757.11, 1,007,054.36 and 407,472.27 is: 562,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,757.11 : 1,007,054.36 = 407,472.27 : x
  2. Step 2: Convert to fraction form
    729,757.11/1,007,054.36 = 407,472.27/x
  3. Step 3: Cross multiply
    729,757.11x = 1,007,054.36 × 407,472.27
  4. Step 4: Simplify right side
    729,757.11x = 410,346,724,045.24
  5. Step 5: Solve for x
    x = 410,346,724,045.24/729,757.11
  6. Step 6: Final answer
    x = 562,305.89

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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.