Finding the Fourth Proportional to 798,537.79, 1,101,979.18 and 435,957.49
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Solution
The fourth proportional to 798,537.79, 1,101,979.18 and 435,957.49 is: 601,619.72
Step by Step Solution
- Step 1: Write the proportion equation
798,537.79 : 1,101,979.18 = 435,957.49 : x - Step 2: Convert to fraction form
798,537.79/1,101,979.18 = 435,957.49/x - Step 3: Cross multiply
798,537.79x = 1,101,979.18 × 435,957.49 - Step 4: Simplify right side
798,537.79x = 480,416,079,267.48 - Step 5: Solve for x
x = 480,416,079,267.48/798,537.79 - Step 6: Final answer
x = 601,619.72
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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.