Home / 477,828.54-659,129.13-298,669.50

Finding the Fourth Proportional to 477,828.54, 659,129.13 and 298,669.50

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Solution

The fourth proportional to 477,828.54, 659,129.13 and 298,669.50 is: 411,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,828.54 : 659,129.13 = 298,669.50 : x
  2. Step 2: Convert to fraction form
    477,828.54/659,129.13 = 298,669.50/x
  3. Step 3: Cross multiply
    477,828.54x = 659,129.13 × 298,669.50
  4. Step 4: Simplify right side
    477,828.54x = 196,861,767,692.54
  5. Step 5: Solve for x
    x = 196,861,767,692.54/477,828.54
  6. Step 6: Final answer
    x = 411,992.49

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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.