Finding the Fourth Proportional to 420,233.94, 627,073.29 and 374,943.96
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Solution
The fourth proportional to 420,233.94, 627,073.29 and 374,943.96 is: 559,491.56
Step by Step Solution
- Step 1: Write the proportion equation
420,233.94 : 627,073.29 = 374,943.96 : x - Step 2: Convert to fraction form
420,233.94/627,073.29 = 374,943.96/x - Step 3: Cross multiply
420,233.94x = 627,073.29 × 374,943.96 - Step 4: Simplify right side
420,233.94x = 235,117,342,562.83 - Step 5: Solve for x
x = 235,117,342,562.83/420,233.94 - Step 6: Final answer
x = 559,491.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.