Finding the Fourth Proportional to 416,926.70, 624,722.61 and 405,854.81
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Solution
The fourth proportional to 416,926.70, 624,722.61 and 405,854.81 is: 608,132.50
Step by Step Solution
- Step 1: Write the proportion equation
416,926.70 : 624,722.61 = 405,854.81 : x - Step 2: Convert to fraction form
416,926.70/624,722.61 = 405,854.81/x - Step 3: Cross multiply
416,926.70x = 624,722.61 × 405,854.81 - Step 4: Simplify right side
416,926.70x = 253,546,676,184.25 - Step 5: Solve for x
x = 253,546,676,184.25/416,926.70 - Step 6: Final answer
x = 608,132.50
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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.