Finding the Fourth Proportional to 885,603.10, 1,222,112.91 and 493,133.19
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Solution
The fourth proportional to 885,603.10, 1,222,112.91 and 493,133.19 is: 680,513.02
Step by Step Solution
- Step 1: Write the proportion equation
885,603.10 : 1,222,112.91 = 493,133.19 : x - Step 2: Convert to fraction form
885,603.10/1,222,112.91 = 493,133.19/x - Step 3: Cross multiply
885,603.10x = 1,222,112.91 × 493,133.19 - Step 4: Simplify right side
885,603.10x = 602,664,438,552.00 - Step 5: Solve for x
x = 602,664,438,552.00/885,603.10 - Step 6: Final answer
x = 680,513.02
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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.