Finding the Fourth Proportional to 626,692.68, 864,744.66 and 358,368.84
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Solution
The fourth proportional to 626,692.68, 864,744.66 and 358,368.84 is: 494,496.83
Step by Step Solution
- Step 1: Write the proportion equation
626,692.68 : 864,744.66 = 358,368.84 : x - Step 2: Convert to fraction form
626,692.68/864,744.66 = 358,368.84/x - Step 3: Cross multiply
626,692.68x = 864,744.66 × 358,368.84 - Step 4: Simplify right side
626,692.68x = 309,897,540,700.39 - Step 5: Solve for x
x = 309,897,540,700.39/626,692.68 - Step 6: Final answer
x = 494,496.83
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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.