Home / 477,747.53-659,563.52-316,819.83

Finding the Fourth Proportional to 477,747.53, 659,563.52 and 316,819.83

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Solution

The fourth proportional to 477,747.53, 659,563.52 and 316,819.83 is: 437,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,747.53 : 659,563.52 = 316,819.83 : x
  2. Step 2: Convert to fraction form
    477,747.53/659,563.52 = 316,819.83/x
  3. Step 3: Cross multiply
    477,747.53x = 659,563.52 × 316,819.83
  4. Step 4: Simplify right side
    477,747.53x = 208,962,800,696.50
  5. Step 5: Solve for x
    x = 208,962,800,696.50/477,747.53
  6. Step 6: Final answer
    x = 437,391.70

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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.