Home / 477,970.55-659,599.17-263,109.50

Finding the Fourth Proportional to 477,970.55, 659,599.17 and 263,109.50

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Solution

The fourth proportional to 477,970.55, 659,599.17 and 263,109.50 is: 363,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,970.55 : 659,599.17 = 263,109.50 : x
  2. Step 2: Convert to fraction form
    477,970.55/659,599.17 = 263,109.50/x
  3. Step 3: Cross multiply
    477,970.55x = 659,599.17 × 263,109.50
  4. Step 4: Simplify right side
    477,970.55x = 173,546,807,819.12
  5. Step 5: Solve for x
    x = 173,546,807,819.12/477,970.55
  6. Step 6: Final answer
    x = 363,091.01

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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.