Finding the Fourth Proportional to 898,889.84, 1,238,863.88 and 680,575.49
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Solution
The fourth proportional to 898,889.84, 1,238,863.88 and 680,575.49 is: 937,979.66
Step by Step Solution
- Step 1: Write the proportion equation
898,889.84 : 1,238,863.88 = 680,575.49 : x - Step 2: Convert to fraction form
898,889.84/1,238,863.88 = 680,575.49/x - Step 3: Cross multiply
898,889.84x = 1,238,863.88 × 680,575.49 - Step 4: Simplify right side
898,889.84x = 843,140,382,577.10 - Step 5: Solve for x
x = 843,140,382,577.10/898,889.84 - Step 6: Final answer
x = 937,979.66
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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.