Home / 736,134.03-1,104,629.21-309,638.67

Finding the Fourth Proportional to 736,134.03, 1,104,629.21 and 309,638.67

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Solution

The fourth proportional to 736,134.03, 1,104,629.21 and 309,638.67 is: 464,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,134.03 : 1,104,629.21 = 309,638.67 : x
  2. Step 2: Convert to fraction form
    736,134.03/1,104,629.21 = 309,638.67/x
  3. Step 3: Cross multiply
    736,134.03x = 1,104,629.21 × 309,638.67
  4. Step 4: Simplify right side
    736,134.03x = 342,035,917,879.36
  5. Step 5: Solve for x
    x = 342,035,917,879.36/736,134.03
  6. Step 6: Final answer
    x = 464,638.10

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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.