Home / 789,957.20-1,184,158.20-390,659.60

Finding the Fourth Proportional to 789,957.20, 1,184,158.20 and 390,659.60

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Solution

The fourth proportional to 789,957.20, 1,184,158.20 and 390,659.60 is: 585,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,957.20 : 1,184,158.20 = 390,659.60 : x
  2. Step 2: Convert to fraction form
    789,957.20/1,184,158.20 = 390,659.60/x
  3. Step 3: Cross multiply
    789,957.20x = 1,184,158.20 × 390,659.60
  4. Step 4: Simplify right side
    789,957.20x = 462,602,768,748.72
  5. Step 5: Solve for x
    x = 462,602,768,748.72/789,957.20
  6. Step 6: Final answer
    x = 585,604.85

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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.