Finding the Fourth Proportional to 512,044.68, 767,829.26 and 298,874.14
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Solution
The fourth proportional to 512,044.68, 767,829.26 and 298,874.14 is: 448,172.43
Step by Step Solution
- Step 1: Write the proportion equation
512,044.68 : 767,829.26 = 298,874.14 : x - Step 2: Convert to fraction form
512,044.68/767,829.26 = 298,874.14/x - Step 3: Cross multiply
512,044.68x = 767,829.26 × 298,874.14 - Step 4: Simplify right side
512,044.68x = 229,484,309,749.34 - Step 5: Solve for x
x = 229,484,309,749.34/512,044.68 - Step 6: Final answer
x = 448,172.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.