Home / 789,734.23-1,184,600.43-257,254.40

Finding the Fourth Proportional to 789,734.23, 1,184,600.43 and 257,254.40

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Solution

The fourth proportional to 789,734.23, 1,184,600.43 and 257,254.40 is: 385,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,734.23 : 1,184,600.43 = 257,254.40 : x
  2. Step 2: Convert to fraction form
    789,734.23/1,184,600.43 = 257,254.40/x
  3. Step 3: Cross multiply
    789,734.23x = 1,184,600.43 × 257,254.40
  4. Step 4: Simplify right side
    789,734.23x = 304,743,675,820.89
  5. Step 5: Solve for x
    x = 304,743,675,820.89/789,734.23
  6. Step 6: Final answer
    x = 385,881.31

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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.