Home / 859,560.56-1,289,598.42-346,961.80

Finding the Fourth Proportional to 859,560.56, 1,289,598.42 and 346,961.80

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Solution

The fourth proportional to 859,560.56, 1,289,598.42 and 346,961.80 is: 520,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,560.56 : 1,289,598.42 = 346,961.80 : x
  2. Step 2: Convert to fraction form
    859,560.56/1,289,598.42 = 346,961.80/x
  3. Step 3: Cross multiply
    859,560.56x = 1,289,598.42 × 346,961.80
  4. Step 4: Simplify right side
    859,560.56x = 447,441,389,080.36
  5. Step 5: Solve for x
    x = 447,441,389,080.36/859,560.56
  6. Step 6: Final answer
    x = 520,546.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.