Home / 789,083.60-1,184,111.40-340,019.60

Finding the Fourth Proportional to 789,083.60, 1,184,111.40 and 340,019.60

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Solution

The fourth proportional to 789,083.60, 1,184,111.40 and 340,019.60 is: 510,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,083.60 : 1,184,111.40 = 340,019.60 : x
  2. Step 2: Convert to fraction form
    789,083.60/1,184,111.40 = 340,019.60/x
  3. Step 3: Cross multiply
    789,083.60x = 1,184,111.40 × 340,019.60
  4. Step 4: Simplify right side
    789,083.60x = 402,621,084,583.44
  5. Step 5: Solve for x
    x = 402,621,084,583.44/789,083.60
  6. Step 6: Final answer
    x = 510,238.82

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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.