Home / 631,455.96-946,751.60-226,639.18

Finding the Fourth Proportional to 631,455.96, 946,751.60 and 226,639.18

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Solution

The fourth proportional to 631,455.96, 946,751.60 and 226,639.18 is: 339,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,455.96 : 946,751.60 = 226,639.18 : x
  2. Step 2: Convert to fraction form
    631,455.96/946,751.60 = 226,639.18/x
  3. Step 3: Cross multiply
    631,455.96x = 946,751.60 × 226,639.18
  4. Step 4: Simplify right side
    631,455.96x = 214,571,008,356.44
  5. Step 5: Solve for x
    x = 214,571,008,356.44/631,455.96
  6. Step 6: Final answer
    x = 339,803.60

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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.