Home / 789,734.42-1,184,600.71-257,254.59

Finding the Fourth Proportional to 789,734.42, 1,184,600.71 and 257,254.59

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Solution

The fourth proportional to 789,734.42, 1,184,600.71 and 257,254.59 is: 385,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,734.42 : 1,184,600.71 = 257,254.59 : x
  2. Step 2: Convert to fraction form
    789,734.42/1,184,600.71 = 257,254.59/x
  3. Step 3: Cross multiply
    789,734.42x = 1,184,600.71 × 257,254.59
  4. Step 4: Simplify right side
    789,734.42x = 304,743,969,964.76
  5. Step 5: Solve for x
    x = 304,743,969,964.76/789,734.42
  6. Step 6: Final answer
    x = 385,881.59

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Double scale
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Similar ratio
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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.