Home / 745,850.03-1,118,857.66-266,189.69

Finding the Fourth Proportional to 745,850.03, 1,118,857.66 and 266,189.69

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Solution

The fourth proportional to 745,850.03, 1,118,857.66 and 266,189.69 is: 399,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,850.03 : 1,118,857.66 = 266,189.69 : x
  2. Step 2: Convert to fraction form
    745,850.03/1,118,857.66 = 266,189.69/x
  3. Step 3: Cross multiply
    745,850.03x = 1,118,857.66 × 266,189.69
  4. Step 4: Simplify right side
    745,850.03x = 297,828,375,801.20
  5. Step 5: Solve for x
    x = 297,828,375,801.20/745,850.03
  6. Step 6: Final answer
    x = 399,314.03

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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.