Home / 750,861.03-1,036,189.97-406,695.57

Finding the Fourth Proportional to 750,861.03, 1,036,189.97 and 406,695.57

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Solution

The fourth proportional to 750,861.03, 1,036,189.97 and 406,695.57 is: 561,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,861.03 : 1,036,189.97 = 406,695.57 : x
  2. Step 2: Convert to fraction form
    750,861.03/1,036,189.97 = 406,695.57/x
  3. Step 3: Cross multiply
    750,861.03x = 1,036,189.97 × 406,695.57
  4. Step 4: Simplify right side
    750,861.03x = 421,413,870,477.43
  5. Step 5: Solve for x
    x = 421,413,870,477.43/750,861.03
  6. Step 6: Final answer
    x = 561,240.83

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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.