Finding the Fourth Proportional to 823,677.15, 1,136,698.11 and 461,098.98
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Solution
The fourth proportional to 823,677.15, 1,136,698.11 and 461,098.98 is: 636,329.82
Step by Step Solution
- Step 1: Write the proportion equation
823,677.15 : 1,136,698.11 = 461,098.98 : x - Step 2: Convert to fraction form
823,677.15/1,136,698.11 = 461,098.98/x - Step 3: Cross multiply
823,677.15x = 1,136,698.11 × 461,098.98 - Step 4: Simplify right side
823,677.15x = 524,130,339,088.93 - Step 5: Solve for x
x = 524,130,339,088.93/823,677.15 - Step 6: Final answer
x = 636,329.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.