Finding the Fourth Proportional to 877,654.94, 1,316,347.94 and 278,538.44
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Solution
The fourth proportional to 877,654.94, 1,316,347.94 and 278,538.44 is: 417,764.98
Step by Step Solution
- Step 1: Write the proportion equation
877,654.94 : 1,316,347.94 = 278,538.44 : x - Step 2: Convert to fraction form
877,654.94/1,316,347.94 = 278,538.44/x - Step 3: Cross multiply
877,654.94x = 1,316,347.94 × 278,538.44 - Step 4: Simplify right side
877,654.94x = 366,653,501,704.81 - Step 5: Solve for x
x = 366,653,501,704.81/877,654.94 - Step 6: Final answer
x = 417,764.98
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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.