Home / 789,085.60-1,184,114.40-340,021.60

Finding the Fourth Proportional to 789,085.60, 1,184,114.40 and 340,021.60

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Solution

The fourth proportional to 789,085.60, 1,184,114.40 and 340,021.60 is: 510,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,085.60 : 1,184,114.40 = 340,021.60 : x
  2. Step 2: Convert to fraction form
    789,085.60/1,184,114.40 = 340,021.60/x
  3. Step 3: Cross multiply
    789,085.60x = 1,184,114.40 × 340,021.60
  4. Step 4: Simplify right side
    789,085.60x = 402,624,472,871.04
  5. Step 5: Solve for x
    x = 402,624,472,871.04/789,085.60
  6. Step 6: Final answer
    x = 510,241.82

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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.