Home / 876,848.30-1,314,944.40-308,009.60

Finding the Fourth Proportional to 876,848.30, 1,314,944.40 and 308,009.60

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Solution

The fourth proportional to 876,848.30, 1,314,944.40 and 308,009.60 is: 461,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,848.30 : 1,314,944.40 = 308,009.60 : x
  2. Step 2: Convert to fraction form
    876,848.30/1,314,944.40 = 308,009.60/x
  3. Step 3: Cross multiply
    876,848.30x = 1,314,944.40 × 308,009.60
  4. Step 4: Simplify right side
    876,848.30x = 405,015,498,666.24
  5. Step 5: Solve for x
    x = 405,015,498,666.24/876,848.30
  6. Step 6: Final answer
    x = 461,899.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.