Home / 729,999.91-1,007,300.35-407,668.92

Finding the Fourth Proportional to 729,999.91, 1,007,300.35 and 407,668.92

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Solution

The fourth proportional to 729,999.91, 1,007,300.35 and 407,668.92 is: 562,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,999.91 : 1,007,300.35 = 407,668.92 : x
  2. Step 2: Convert to fraction form
    729,999.91/1,007,300.35 = 407,668.92/x
  3. Step 3: Cross multiply
    729,999.91x = 1,007,300.35 × 407,668.92
  4. Step 4: Simplify right side
    729,999.91x = 410,645,045,800.12
  5. Step 5: Solve for x
    x = 410,645,045,800.12/729,999.91
  6. Step 6: Final answer
    x = 562,527.53

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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.