Finding the Fourth Proportional to 788,294.94, 1,087,846.97 and 425,718.82
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Solution
The fourth proportional to 788,294.94, 1,087,846.97 and 425,718.82 is: 587,491.95
Step by Step Solution
- Step 1: Write the proportion equation
788,294.94 : 1,087,846.97 = 425,718.82 : x - Step 2: Convert to fraction form
788,294.94/1,087,846.97 = 425,718.82/x - Step 3: Cross multiply
788,294.94x = 1,087,846.97 × 425,718.82 - Step 4: Simplify right side
788,294.94x = 463,116,928,408.98 - Step 5: Solve for x
x = 463,116,928,408.98/788,294.94 - Step 6: Final answer
x = 587,491.95
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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.