Finding the Fourth Proportional to 947,569.68, 1,421,577.36 and 307,871.28
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Solution
The fourth proportional to 947,569.68, 1,421,577.36 and 307,871.28 is: 461,879.32
Step by Step Solution
- Step 1: Write the proportion equation
947,569.68 : 1,421,577.36 = 307,871.28 : x - Step 2: Convert to fraction form
947,569.68/1,421,577.36 = 307,871.28/x - Step 3: Cross multiply
947,569.68x = 1,421,577.36 × 307,871.28 - Step 4: Simplify right side
947,569.68x = 437,662,841,442.22 - Step 5: Solve for x
x = 437,662,841,442.22/947,569.68 - Step 6: Final answer
x = 461,879.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.