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Finding the Fourth Proportional to 456,504.54, 629,975.79 and 255,300.54

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Solution

The fourth proportional to 456,504.54, 629,975.79 and 255,300.54 is: 352,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,504.54 : 629,975.79 = 255,300.54 : x
  2. Step 2: Convert to fraction form
    456,504.54/629,975.79 = 255,300.54/x
  3. Step 3: Cross multiply
    456,504.54x = 629,975.79 × 255,300.54
  4. Step 4: Simplify right side
    456,504.54x = 160,833,159,373.93
  5. Step 5: Solve for x
    x = 160,833,159,373.93/456,504.54
  6. Step 6: Final answer
    x = 352,314.48

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1.5x scale

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.