Home / 715,260.88-1,072,892.76-266,080.24

Finding the Fourth Proportional to 715,260.88, 1,072,892.76 and 266,080.24

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Solution

The fourth proportional to 715,260.88, 1,072,892.76 and 266,080.24 is: 399,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,260.88 : 1,072,892.76 = 266,080.24 : x
  2. Step 2: Convert to fraction form
    715,260.88/1,072,892.76 = 266,080.24/x
  3. Step 3: Cross multiply
    715,260.88x = 1,072,892.76 × 266,080.24
  4. Step 4: Simplify right side
    715,260.88x = 285,475,563,075.06
  5. Step 5: Solve for x
    x = 285,475,563,075.06/715,260.88
  6. Step 6: Final answer
    x = 399,120.90

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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.