Finding the Fourth Proportional to 901,390.07, 1,243,933.00 and 493,485.08
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Solution
The fourth proportional to 901,390.07, 1,243,933.00 and 493,485.08 is: 681,017.45
Step by Step Solution
- Step 1: Write the proportion equation
901,390.07 : 1,243,933.00 = 493,485.08 : x - Step 2: Convert to fraction form
901,390.07/1,243,933.00 = 493,485.08/x - Step 3: Cross multiply
901,390.07x = 1,243,933.00 × 493,485.08 - Step 4: Simplify right side
901,390.07x = 613,862,368,566.26 - Step 5: Solve for x
x = 613,862,368,566.26/901,390.07 - Step 6: Final answer
x = 681,017.45
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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.