Finding the Fourth Proportional to 562,122.05, 775,708.79 and 320,482.44
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Solution
The fourth proportional to 562,122.05, 775,708.79 and 320,482.44 is: 442,254.57
Step by Step Solution
- Step 1: Write the proportion equation
562,122.05 : 775,708.79 = 320,482.44 : x - Step 2: Convert to fraction form
562,122.05/775,708.79 = 320,482.44/x - Step 3: Cross multiply
562,122.05x = 775,708.79 × 320,482.44 - Step 4: Simplify right side
562,122.05x = 248,601,044,146.24 - Step 5: Solve for x
x = 248,601,044,146.24/562,122.05 - Step 6: Final answer
x = 442,254.57
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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.