Home / 715,263.88-1,072,897.26-266,083.24

Finding the Fourth Proportional to 715,263.88, 1,072,897.26 and 266,083.24

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Solution

The fourth proportional to 715,263.88, 1,072,897.26 and 266,083.24 is: 399,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,263.88 : 1,072,897.26 = 266,083.24 : x
  2. Step 2: Convert to fraction form
    715,263.88/1,072,897.26 = 266,083.24/x
  3. Step 3: Cross multiply
    715,263.88x = 1,072,897.26 × 266,083.24
  4. Step 4: Simplify right side
    715,263.88x = 285,479,979,127.92
  5. Step 5: Solve for x
    x = 285,479,979,127.92/715,263.88
  6. Step 6: Final answer
    x = 399,125.40

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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.