Home / 757,720.12-1,045,651.62-418,185.94

Finding the Fourth Proportional to 757,720.12, 1,045,651.62 and 418,185.94

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Solution

The fourth proportional to 757,720.12, 1,045,651.62 and 418,185.94 is: 577,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,720.12 : 1,045,651.62 = 418,185.94 : x
  2. Step 2: Convert to fraction form
    757,720.12/1,045,651.62 = 418,185.94/x
  3. Step 3: Cross multiply
    757,720.12x = 1,045,651.62 × 418,185.94
  4. Step 4: Simplify right side
    757,720.12x = 437,276,804,576.29
  5. Step 5: Solve for x
    x = 437,276,804,576.29/757,720.12
  6. Step 6: Final answer
    x = 577,095.41

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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.