Finding the Fourth Proportional to 873,809.40, 1,310,714.10 and 341,347.80
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Solution
The fourth proportional to 873,809.40, 1,310,714.10 and 341,347.80 is: 512,021.70
Step by Step Solution
- Step 1: Write the proportion equation
873,809.40 : 1,310,714.10 = 341,347.80 : x - Step 2: Convert to fraction form
873,809.40/1,310,714.10 = 341,347.80/x - Step 3: Cross multiply
873,809.40x = 1,310,714.10 × 341,347.80 - Step 4: Simplify right side
873,809.40x = 447,409,374,463.98 - Step 5: Solve for x
x = 447,409,374,463.98/873,809.40 - Step 6: Final answer
x = 512,021.70
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1.5x scale
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.