Home / 757,937.25-1,045,955.43-418,405.50

Finding the Fourth Proportional to 757,937.25, 1,045,955.43 and 418,405.50

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Solution

The fourth proportional to 757,937.25, 1,045,955.43 and 418,405.50 is: 577,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,937.25 : 1,045,955.43 = 418,405.50 : x
  2. Step 2: Convert to fraction form
    757,937.25/1,045,955.43 = 418,405.50/x
  3. Step 3: Cross multiply
    757,937.25x = 1,045,955.43 × 418,405.50
  4. Step 4: Simplify right side
    757,937.25x = 437,633,504,666.87
  5. Step 5: Solve for x
    x = 437,633,504,666.87/757,937.25
  6. Step 6: Final answer
    x = 577,400.71

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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.