Finding the Fourth Proportional to 750,849.84, 1,036,198.65 and 411,318.09
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Solution
The fourth proportional to 750,849.84, 1,036,198.65 and 411,318.09 is: 567,633.14
Step by Step Solution
- Step 1: Write the proportion equation
750,849.84 : 1,036,198.65 = 411,318.09 : x - Step 2: Convert to fraction form
750,849.84/1,036,198.65 = 411,318.09/x - Step 3: Cross multiply
750,849.84x = 1,036,198.65 × 411,318.09 - Step 4: Simplify right side
750,849.84x = 426,207,249,578.58 - Step 5: Solve for x
x = 426,207,249,578.58/750,849.84 - Step 6: Final answer
x = 567,633.14
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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.