Finding the Fourth Proportional to 991,505.08, 1,368,277.14 and 538,795
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Solution
The fourth proportional to 991,505.08, 1,368,277.14 and 538,795 is: 743,537.17
Step by Step Solution
- Step 1: Write the proportion equation
991,505.08 : 1,368,277.14 = 538,795 : x - Step 2: Convert to fraction form
991,505.08/1,368,277.14 = 538,795/x - Step 3: Cross multiply
991,505.08x = 1,368,277.14 × 538,795 - Step 4: Simplify right side
991,505.08x = 737,220,881,646.30 - Step 5: Solve for x
x = 737,220,881,646.30/991,505.08 - Step 6: Final answer
x = 743,537.17
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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.