Finding the Fourth Proportional to 808,672.68, 1,212,553.80 and 268,639.88
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Solution
The fourth proportional to 808,672.68, 1,212,553.80 and 268,639.88 is: 402,808.59
Step by Step Solution
- Step 1: Write the proportion equation
808,672.68 : 1,212,553.80 = 268,639.88 : x - Step 2: Convert to fraction form
808,672.68/1,212,553.80 = 268,639.88/x - Step 3: Cross multiply
808,672.68x = 1,212,553.80 × 268,639.88 - Step 4: Simplify right side
808,672.68x = 325,740,301,262.78 - Step 5: Solve for x
x = 325,740,301,262.78/808,672.68 - Step 6: Final answer
x = 402,808.59
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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.