Finding the Fourth Proportional to 937,321.94, 1,405,036.08 and 369,101.78
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Solution
The fourth proportional to 937,321.94, 1,405,036.08 and 369,101.78 is: 553,279.82
Step by Step Solution
- Step 1: Write the proportion equation
937,321.94 : 1,405,036.08 = 369,101.78 : x - Step 2: Convert to fraction form
937,321.94/1,405,036.08 = 369,101.78/x - Step 3: Cross multiply
937,321.94x = 1,405,036.08 × 369,101.78 - Step 4: Simplify right side
937,321.94x = 518,601,318,092.22 - Step 5: Solve for x
x = 518,601,318,092.22/937,321.94 - Step 6: Final answer
x = 553,279.82
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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.