Finding the Fourth Proportional to 847,514.68, 1,169,284.74 and 479,941.48
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Solution
The fourth proportional to 847,514.68, 1,169,284.74 and 479,941.48 is: 662,157.56
Step by Step Solution
- Step 1: Write the proportion equation
847,514.68 : 1,169,284.74 = 479,941.48 : x - Step 2: Convert to fraction form
847,514.68/1,169,284.74 = 479,941.48/x - Step 3: Cross multiply
847,514.68x = 1,169,284.74 × 479,941.48 - Step 4: Simplify right side
847,514.68x = 561,188,248,657.02 - Step 5: Solve for x
x = 561,188,248,657.02/847,514.68 - Step 6: Final answer
x = 662,157.56
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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.