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Finding the Fourth Proportional to 470,820.48, 649,739.66 and 255,961.37

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Solution

The fourth proportional to 470,820.48, 649,739.66 and 255,961.37 is: 353,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,820.48 : 649,739.66 = 255,961.37 : x
  2. Step 2: Convert to fraction form
    470,820.48/649,739.66 = 255,961.37/x
  3. Step 3: Cross multiply
    470,820.48x = 649,739.66 × 255,961.37
  4. Step 4: Simplify right side
    470,820.48x = 166,308,248,988.43
  5. Step 5: Solve for x
    x = 166,308,248,988.43/470,820.48
  6. Step 6: Final answer
    x = 353,230.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.