Home / 629,376.37-868,539.48-342,896.45

Finding the Fourth Proportional to 629,376.37, 868,539.48 and 342,896.45

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Solution

The fourth proportional to 629,376.37, 868,539.48 and 342,896.45 is: 473,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,376.37 : 868,539.48 = 342,896.45 : x
  2. Step 2: Convert to fraction form
    629,376.37/868,539.48 = 342,896.45/x
  3. Step 3: Cross multiply
    629,376.37x = 868,539.48 × 342,896.45
  4. Step 4: Simplify right side
    629,376.37x = 297,819,106,548.20
  5. Step 5: Solve for x
    x = 297,819,106,548.20/629,376.37
  6. Step 6: Final answer
    x = 473,197.16

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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.