Finding the Fourth Proportional to 830,665.84, 1,146,318.67 and 448,692.63
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Solution
The fourth proportional to 830,665.84, 1,146,318.67 and 448,692.63 is: 619,195.73
Step by Step Solution
- Step 1: Write the proportion equation
830,665.84 : 1,146,318.67 = 448,692.63 : x - Step 2: Convert to fraction form
830,665.84/1,146,318.67 = 448,692.63/x - Step 3: Cross multiply
830,665.84x = 1,146,318.67 × 448,692.63 - Step 4: Simplify right side
830,665.84x = 514,344,738,860.40 - Step 5: Solve for x
x = 514,344,738,860.40/830,665.84 - Step 6: Final answer
x = 619,195.73
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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.