Finding the Fourth Proportional to 665,963.61, 998,779.14 and 261,238.08
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Solution
The fourth proportional to 665,963.61, 998,779.14 and 261,238.08 is: 391,791.90
Step by Step Solution
- Step 1: Write the proportion equation
665,963.61 : 998,779.14 = 261,238.08 : x - Step 2: Convert to fraction form
665,963.61/998,779.14 = 261,238.08/x - Step 3: Cross multiply
665,963.61x = 998,779.14 × 261,238.08 - Step 4: Simplify right side
665,963.61x = 260,919,144,877.65 - Step 5: Solve for x
x = 260,919,144,877.65/665,963.61 - Step 6: Final answer
x = 391,791.90
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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.