Finding the Fourth Proportional to 562,278.05, 775,136.64 and 400,852.84
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Solution
The fourth proportional to 562,278.05, 775,136.64 and 400,852.84 is: 552,601.55
Step by Step Solution
- Step 1: Write the proportion equation
562,278.05 : 775,136.64 = 400,852.84 : x - Step 2: Convert to fraction form
562,278.05/775,136.64 = 400,852.84/x - Step 3: Cross multiply
562,278.05x = 775,136.64 × 400,852.84 - Step 4: Simplify right side
562,278.05x = 310,715,723,532.06 - Step 5: Solve for x
x = 310,715,723,532.06/562,278.05 - Step 6: Final answer
x = 552,601.55
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1.5x scale
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.