Home / 470,629.05-649,467.80-255,769.16

Finding the Fourth Proportional to 470,629.05, 649,467.80 and 255,769.16

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Solution

The fourth proportional to 470,629.05, 649,467.80 and 255,769.16 is: 352,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,629.05 : 649,467.80 = 255,769.16 : x
  2. Step 2: Convert to fraction form
    470,629.05/649,467.80 = 255,769.16/x
  3. Step 3: Cross multiply
    470,629.05x = 649,467.80 × 255,769.16
  4. Step 4: Simplify right side
    470,629.05x = 166,113,830,086.00
  5. Step 5: Solve for x
    x = 166,113,830,086.00/470,629.05
  6. Step 6: Final answer
    x = 352,961.28

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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.