Home / 789,485.20-1,184,219.16-316,281.04

Finding the Fourth Proportional to 789,485.20, 1,184,219.16 and 316,281.04

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Solution

The fourth proportional to 789,485.20, 1,184,219.16 and 316,281.04 is: 474,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,485.20 : 1,184,219.16 = 316,281.04 : x
  2. Step 2: Convert to fraction form
    789,485.20/1,184,219.16 = 316,281.04/x
  3. Step 3: Cross multiply
    789,485.20x = 1,184,219.16 × 316,281.04
  4. Step 4: Simplify right side
    789,485.20x = 374,546,067,512.73
  5. Step 5: Solve for x
    x = 374,546,067,512.73/789,485.20
  6. Step 6: Final answer
    x = 474,418.10

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1.5x scale

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.