Home / 790,261.78-1,185,260.09-284,728.53

Finding the Fourth Proportional to 790,261.78, 1,185,260.09 and 284,728.53

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Solution

The fourth proportional to 790,261.78, 1,185,260.09 and 284,728.53 is: 427,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,261.78 : 1,185,260.09 = 284,728.53 : x
  2. Step 2: Convert to fraction form
    790,261.78/1,185,260.09 = 284,728.53/x
  3. Step 3: Cross multiply
    790,261.78x = 1,185,260.09 × 284,728.53
  4. Step 4: Simplify right side
    790,261.78x = 337,477,363,093.37
  5. Step 5: Solve for x
    x = 337,477,363,093.37/790,261.78
  6. Step 6: Final answer
    x = 427,045.03

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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.