Home / 470,119.21-648,775.79-255,268.33

Finding the Fourth Proportional to 470,119.21, 648,775.79 and 255,268.33

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Solution

The fourth proportional to 470,119.21, 648,775.79 and 255,268.33 is: 352,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,119.21 : 648,775.79 = 255,268.33 : x
  2. Step 2: Convert to fraction form
    470,119.21/648,775.79 = 255,268.33/x
  3. Step 3: Cross multiply
    470,119.21x = 648,775.79 × 255,268.33
  4. Step 4: Simplify right side
    470,119.21x = 165,611,912,457.73
  5. Step 5: Solve for x
    x = 165,611,912,457.73/470,119.21
  6. Step 6: Final answer
    x = 352,276.42

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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.