Home / 789,894.88-1,090,060.08-483,971.92

Finding the Fourth Proportional to 789,894.88, 1,090,060.08 and 483,971.92

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Solution

The fourth proportional to 789,894.88, 1,090,060.08 and 483,971.92 is: 667,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,894.88 : 1,090,060.08 = 483,971.92 : x
  2. Step 2: Convert to fraction form
    789,894.88/1,090,060.08 = 483,971.92/x
  3. Step 3: Cross multiply
    789,894.88x = 1,090,060.08 × 483,971.92
  4. Step 4: Simplify right side
    789,894.88x = 527,558,469,832.95
  5. Step 5: Solve for x
    x = 527,558,469,832.95/789,894.88
  6. Step 6: Final answer
    x = 667,884.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.