Home / 637,369.23-879,288.44-395,166.27

Finding the Fourth Proportional to 637,369.23, 879,288.44 and 395,166.27

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Solution

The fourth proportional to 637,369.23, 879,288.44 and 395,166.27 is: 545,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,369.23 : 879,288.44 = 395,166.27 : x
  2. Step 2: Convert to fraction form
    637,369.23/879,288.44 = 395,166.27/x
  3. Step 3: Cross multiply
    637,369.23x = 879,288.44 × 395,166.27
  4. Step 4: Simplify right side
    637,369.23x = 347,465,131,113.09
  5. Step 5: Solve for x
    x = 347,465,131,113.09/637,369.23
  6. Step 6: Final answer
    x = 545,155.17

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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.