Finding the Fourth Proportional to 878,538.88, 1,318,885.62 and 579,269.80
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Solution
The fourth proportional to 878,538.88, 1,318,885.62 and 579,269.80 is: 869,615.02
Step by Step Solution
- Step 1: Write the proportion equation
878,538.88 : 1,318,885.62 = 579,269.80 : x - Step 2: Convert to fraction form
878,538.88/1,318,885.62 = 579,269.80/x - Step 3: Cross multiply
878,538.88x = 1,318,885.62 × 579,269.80 - Step 4: Simplify right side
878,538.88x = 763,990,609,320.28 - Step 5: Solve for x
x = 763,990,609,320.28/878,538.88 - Step 6: Final answer
x = 869,615.02
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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.