Finding the Fourth Proportional to 901,324.52, 1,243,827.74 and 493,425.09
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Solution
The fourth proportional to 901,324.52, 1,243,827.74 and 493,425.09 is: 680,926.57
Step by Step Solution
- Step 1: Write the proportion equation
901,324.52 : 1,243,827.74 = 493,425.09 : x - Step 2: Convert to fraction form
901,324.52/1,243,827.74 = 493,425.09/x - Step 3: Cross multiply
901,324.52x = 1,243,827.74 × 493,425.09 - Step 4: Simplify right side
901,324.52x = 613,735,812,086.87 - Step 5: Solve for x
x = 613,735,812,086.87/901,324.52 - Step 6: Final answer
x = 680,926.57
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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.