Finding the Fourth Proportional to 853,749.36, 1,178,174.52 and 471,776.13
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Solution
The fourth proportional to 853,749.36, 1,178,174.52 and 471,776.13 is: 651,051.28
Step by Step Solution
- Step 1: Write the proportion equation
853,749.36 : 1,178,174.52 = 471,776.13 : x - Step 2: Convert to fraction form
853,749.36/1,178,174.52 = 471,776.13/x - Step 3: Cross multiply
853,749.36x = 1,178,174.52 × 471,776.13 - Step 4: Simplify right side
853,749.36x = 555,834,615,510.21 - Step 5: Solve for x
x = 555,834,615,510.21/853,749.36 - Step 6: Final answer
x = 651,051.28
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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.