Home / 859,410.40-1,289,576.40-360,824.80

Finding the Fourth Proportional to 859,410.40, 1,289,576.40 and 360,824.80

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Solution

The fourth proportional to 859,410.40, 1,289,576.40 and 360,824.80 is: 541,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,410.40 : 1,289,576.40 = 360,824.80 : x
  2. Step 2: Convert to fraction form
    859,410.40/1,289,576.40 = 360,824.80/x
  3. Step 3: Cross multiply
    859,410.40x = 1,289,576.40 × 360,824.80
  4. Step 4: Simplify right side
    859,410.40x = 465,311,146,614.72
  5. Step 5: Solve for x
    x = 465,311,146,614.72/859,410.40
  6. Step 6: Final answer
    x = 541,430.67

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1.5x scale

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.