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Finding the Fourth Proportional to 571,660.04, 786,910.86 and 494,100.36

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Solution

The fourth proportional to 571,660.04, 786,910.86 and 494,100.36 is: 680,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,660.04 : 786,910.86 = 494,100.36 : x
  2. Step 2: Convert to fraction form
    571,660.04/786,910.86 = 494,100.36/x
  3. Step 3: Cross multiply
    571,660.04x = 786,910.86 × 494,100.36
  4. Step 4: Simplify right side
    571,660.04x = 388,812,939,213.91
  5. Step 5: Solve for x
    x = 388,812,939,213.91/571,660.04
  6. Step 6: Final answer
    x = 680,147.14

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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.