Finding the Fourth Proportional to 917,668.68, 1,266,391.44 and 504,214.14
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Solution
The fourth proportional to 917,668.68, 1,266,391.44 and 504,214.14 is: 695,820.27
Step by Step Solution
- Step 1: Write the proportion equation
917,668.68 : 1,266,391.44 = 504,214.14 : x - Step 2: Convert to fraction form
917,668.68/1,266,391.44 = 504,214.14/x - Step 3: Cross multiply
917,668.68x = 1,266,391.44 × 504,214.14 - Step 4: Simplify right side
917,668.68x = 638,532,470,822.96 - Step 5: Solve for x
x = 638,532,470,822.96/917,668.68 - Step 6: Final answer
x = 695,820.27
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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.