Home / 789,684.30-1,184,402.52-257,200.86

Finding the Fourth Proportional to 789,684.30, 1,184,402.52 and 257,200.86

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Solution

The fourth proportional to 789,684.30, 1,184,402.52 and 257,200.86 is: 385,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,684.30 : 1,184,402.52 = 257,200.86 : x
  2. Step 2: Convert to fraction form
    789,684.30/1,184,402.52 = 257,200.86/x
  3. Step 3: Cross multiply
    789,684.30x = 1,184,402.52 × 257,200.86
  4. Step 4: Simplify right side
    789,684.30x = 304,629,346,730.17
  5. Step 5: Solve for x
    x = 304,629,346,730.17/789,684.30
  6. Step 6: Final answer
    x = 385,760.93

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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.