Home / 809,051.02-1,213,188.74-382,231.54

Finding the Fourth Proportional to 809,051.02, 1,213,188.74 and 382,231.54

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Solution

The fourth proportional to 809,051.02, 1,213,188.74 and 382,231.54 is: 573,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,051.02 : 1,213,188.74 = 382,231.54 : x
  2. Step 2: Convert to fraction form
    809,051.02/1,213,188.74 = 382,231.54/x
  3. Step 3: Cross multiply
    809,051.02x = 1,213,188.74 × 382,231.54
  4. Step 4: Simplify right side
    809,051.02x = 463,719,000,400.86
  5. Step 5: Solve for x
    x = 463,719,000,400.86/809,051.02
  6. Step 6: Final answer
    x = 573,164.10

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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.