Finding the Fourth Proportional to 680,855.94, 1,021,284.18 and 679,872.06
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Solution
The fourth proportional to 680,855.94, 1,021,284.18 and 679,872.06 is: 1,019,808.36
Step by Step Solution
- Step 1: Write the proportion equation
680,855.94 : 1,021,284.18 = 679,872.06 : x - Step 2: Convert to fraction form
680,855.94/1,021,284.18 = 679,872.06/x - Step 3: Cross multiply
680,855.94x = 1,021,284.18 × 679,872.06 - Step 4: Simplify right side
680,855.94x = 694,342,579,302.01 - Step 5: Solve for x
x = 694,342,579,302.01/680,855.94 - Step 6: Final answer
x = 1,019,808.36
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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.