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Finding the Fourth Proportional to 460,751.36, 693,235.20 and 273,902.72

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Solution

The fourth proportional to 460,751.36, 693,235.20 and 273,902.72 is: 412,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,751.36 : 693,235.20 = 273,902.72 : x
  2. Step 2: Convert to fraction form
    460,751.36/693,235.20 = 273,902.72/x
  3. Step 3: Cross multiply
    460,751.36x = 693,235.20 × 273,902.72
  4. Step 4: Simplify right side
    460,751.36x = 189,879,006,879.74
  5. Step 5: Solve for x
    x = 189,879,006,879.74/460,751.36
  6. Step 6: Final answer
    x = 412,107.32

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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.