Finding the Fourth Proportional to 626,518.81, 864,588.76 and 340,039.09
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Solution
The fourth proportional to 626,518.81, 864,588.76 and 340,039.09 is: 469,250.04
Step by Step Solution
- Step 1: Write the proportion equation
626,518.81 : 864,588.76 = 340,039.09 : x - Step 2: Convert to fraction form
626,518.81/864,588.76 = 340,039.09/x - Step 3: Cross multiply
626,518.81x = 864,588.76 × 340,039.09 - Step 4: Simplify right side
626,518.81x = 293,993,975,174.63 - Step 5: Solve for x
x = 293,993,975,174.63/626,518.81 - Step 6: Final answer
x = 469,250.04
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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.