Finding the Fourth Proportional to 916,956.84, 1,265,405.52 and 509,052.18
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Solution
The fourth proportional to 916,956.84, 1,265,405.52 and 509,052.18 is: 702,494.83
Step by Step Solution
- Step 1: Write the proportion equation
916,956.84 : 1,265,405.52 = 509,052.18 : x - Step 2: Convert to fraction form
916,956.84/1,265,405.52 = 509,052.18/x - Step 3: Cross multiply
916,956.84x = 1,265,405.52 × 509,052.18 - Step 4: Simplify right side
916,956.84x = 644,157,438,540.03 - Step 5: Solve for x
x = 644,157,438,540.03/916,956.84 - Step 6: Final answer
x = 702,494.83
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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.