Finding the Fourth Proportional to 589,756.84, 813,396.33 and 382,798.98
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Solution
The fourth proportional to 589,756.84, 813,396.33 and 382,798.98 is: 527,958.75
Step by Step Solution
- Step 1: Write the proportion equation
589,756.84 : 813,396.33 = 382,798.98 : x - Step 2: Convert to fraction form
589,756.84/813,396.33 = 382,798.98/x - Step 3: Cross multiply
589,756.84x = 813,396.33 × 382,798.98 - Step 4: Simplify right side
589,756.84x = 311,367,283,845.00 - Step 5: Solve for x
x = 311,367,283,845.00/589,756.84 - Step 6: Final answer
x = 527,958.75
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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.