Home / 437,620.34-603,684.63-301,420.04

Finding the Fourth Proportional to 437,620.34, 603,684.63 and 301,420.04

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Solution

The fourth proportional to 437,620.34, 603,684.63 and 301,420.04 is: 415,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,620.34 : 603,684.63 = 301,420.04 : x
  2. Step 2: Convert to fraction form
    437,620.34/603,684.63 = 301,420.04/x
  3. Step 3: Cross multiply
    437,620.34x = 603,684.63 × 301,420.04
  4. Step 4: Simplify right side
    437,620.34x = 181,962,645,321.99
  5. Step 5: Solve for x
    x = 181,962,645,321.99/437,620.34
  6. Step 6: Final answer
    x = 415,800.25

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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.