Finding the Fourth Proportional to 644,572.80, 965,692.80 and 551,260.80
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Solution
The fourth proportional to 644,572.80, 965,692.80 and 551,260.80 is: 825,893.65
Step by Step Solution
- Step 1: Write the proportion equation
644,572.80 : 965,692.80 = 551,260.80 : x - Step 2: Convert to fraction form
644,572.80/965,692.80 = 551,260.80/x - Step 3: Cross multiply
644,572.80x = 965,692.80 × 551,260.80 - Step 4: Simplify right side
644,572.80x = 532,348,585,482.24 - Step 5: Solve for x
x = 532,348,585,482.24/644,572.80 - Step 6: Final answer
x = 825,893.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.