Finding the Fourth Proportional to 680,767.90, 1,021,262.68 and 201,044.24
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Solution
The fourth proportional to 680,767.90, 1,021,262.68 and 201,044.24 is: 301,599.09
Step by Step Solution
- Step 1: Write the proportion equation
680,767.90 : 1,021,262.68 = 201,044.24 : x - Step 2: Convert to fraction form
680,767.90/1,021,262.68 = 201,044.24/x - Step 3: Cross multiply
680,767.90x = 1,021,262.68 × 201,044.24 - Step 4: Simplify right side
680,767.90x = 205,318,979,340.96 - Step 5: Solve for x
x = 205,318,979,340.96/680,767.90 - Step 6: Final answer
x = 301,599.09
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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.