Home / 789,876.88-1,184,887.32-257,261.20

Finding the Fourth Proportional to 789,876.88, 1,184,887.32 and 257,261.20

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Solution

The fourth proportional to 789,876.88, 1,184,887.32 and 257,261.20 is: 385,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,876.88 : 1,184,887.32 = 257,261.20 : x
  2. Step 2: Convert to fraction form
    789,876.88/1,184,887.32 = 257,261.20/x
  3. Step 3: Cross multiply
    789,876.88x = 1,184,887.32 × 257,261.20
  4. Step 4: Simplify right side
    789,876.88x = 304,825,533,807.98
  5. Step 5: Solve for x
    x = 304,825,533,807.98/789,876.88
  6. Step 6: Final answer
    x = 385,915.25

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Double scale
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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.