Finding the Fourth Proportional to 1,455,257.68, 2,182,779.96 and 458,270.80
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Solution
The fourth proportional to 1,455,257.68, 2,182,779.96 and 458,270.80 is: 687,372.64
Step by Step Solution
- Step 1: Write the proportion equation
1,455,257.68 : 2,182,779.96 = 458,270.80 : x - Step 2: Convert to fraction form
1,455,257.68/2,182,779.96 = 458,270.80/x - Step 3: Cross multiply
1,455,257.68x = 2,182,779.96 × 458,270.80 - Step 4: Simplify right side
1,455,257.68x = 1,000,304,318,493.17 - Step 5: Solve for x
x = 1,000,304,318,493.17/1,455,257.68 - Step 6: Final answer
x = 687,372.64
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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.