Finding the Fourth Proportional to 434,706.74, 599,688.73 and 289,579.99
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Solution
The fourth proportional to 434,706.74, 599,688.73 and 289,579.99 is: 399,482.77
Step by Step Solution
- Step 1: Write the proportion equation
434,706.74 : 599,688.73 = 289,579.99 : x - Step 2: Convert to fraction form
434,706.74/599,688.73 = 289,579.99/x - Step 3: Cross multiply
434,706.74x = 599,688.73 × 289,579.99 - Step 4: Simplify right side
434,706.74x = 173,657,853,515.39 - Step 5: Solve for x
x = 173,657,853,515.39/434,706.74 - Step 6: Final answer
x = 399,482.77
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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.