Finding the Fourth Proportional to 708,436.36, 1,062,129.66 and 427,888.00
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Solution
The fourth proportional to 708,436.36, 1,062,129.66 and 427,888.00 is: 641,514.98
Step by Step Solution
- Step 1: Write the proportion equation
708,436.36 : 1,062,129.66 = 427,888.00 : x - Step 2: Convert to fraction form
708,436.36/1,062,129.66 = 427,888.00/x - Step 3: Cross multiply
708,436.36x = 1,062,129.66 × 427,888.00 - Step 4: Simplify right side
708,436.36x = 454,472,538,088.03 - Step 5: Solve for x
x = 454,472,538,088.03/708,436.36 - Step 6: Final answer
x = 641,514.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.