Finding the Fourth Proportional to 762,663.67, 1,052,455.80 and 418,498.54
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Solution
The fourth proportional to 762,663.67, 1,052,455.80 and 418,498.54 is: 577,516.98
Step by Step Solution
- Step 1: Write the proportion equation
762,663.67 : 1,052,455.80 = 418,498.54 : x - Step 2: Convert to fraction form
762,663.67/1,052,455.80 = 418,498.54/x - Step 3: Cross multiply
762,663.67x = 1,052,455.80 × 418,498.54 - Step 4: Simplify right side
762,663.67x = 440,451,215,714.53 - Step 5: Solve for x
x = 440,451,215,714.53/762,663.67 - Step 6: Final answer
x = 577,516.98
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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.