Finding the Fourth Proportional to 864,729.12, 1,192,725.36 and 793,345.44
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Solution
The fourth proportional to 864,729.12, 1,192,725.36 and 793,345.44 is: 1,094,265.48
Step by Step Solution
- Step 1: Write the proportion equation
864,729.12 : 1,192,725.36 = 793,345.44 : x - Step 2: Convert to fraction form
864,729.12/1,192,725.36 = 793,345.44/x - Step 3: Cross multiply
864,729.12x = 1,192,725.36 × 793,345.44 - Step 4: Simplify right side
864,729.12x = 946,243,225,528.36 - Step 5: Solve for x
x = 946,243,225,528.36/864,729.12 - Step 6: Final answer
x = 1,094,265.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.