Home / 757,942.08-1,045,932.66-418,403.04

Finding the Fourth Proportional to 757,942.08, 1,045,932.66 and 418,403.04

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Solution

The fourth proportional to 757,942.08, 1,045,932.66 and 418,403.04 is: 577,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,942.08 : 1,045,932.66 = 418,403.04 : x
  2. Step 2: Convert to fraction form
    757,942.08/1,045,932.66 = 418,403.04/x
  3. Step 3: Cross multiply
    757,942.08x = 1,045,932.66 × 418,403.04
  4. Step 4: Simplify right side
    757,942.08x = 437,621,404,579.29
  5. Step 5: Solve for x
    x = 437,621,404,579.29/757,942.08
  6. Step 6: Final answer
    x = 577,381.06

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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.