Home / 715,227.11-1,072,674.37-266,159.47

Finding the Fourth Proportional to 715,227.11, 1,072,674.37 and 266,159.47

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Solution

The fourth proportional to 715,227.11, 1,072,674.37 and 266,159.47 is: 399,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,227.11 : 1,072,674.37 = 266,159.47 : x
  2. Step 2: Convert to fraction form
    715,227.11/1,072,674.37 = 266,159.47/x
  3. Step 3: Cross multiply
    715,227.11x = 1,072,674.37 × 266,159.47
  4. Step 4: Simplify right side
    715,227.11x = 285,502,440,715.49
  5. Step 5: Solve for x
    x = 285,502,440,715.49/715,227.11
  6. Step 6: Final answer
    x = 399,177.32

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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.