Finding the Fourth Proportional to 725,197.72, 1,000,714.18 and 419,293.74
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Solution
The fourth proportional to 725,197.72, 1,000,714.18 and 419,293.74 is: 578,591.44
Step by Step Solution
- Step 1: Write the proportion equation
725,197.72 : 1,000,714.18 = 419,293.74 : x - Step 2: Convert to fraction form
725,197.72/1,000,714.18 = 419,293.74/x - Step 3: Cross multiply
725,197.72x = 1,000,714.18 × 419,293.74 - Step 4: Simplify right side
725,197.72x = 419,593,191,203.23 - Step 5: Solve for x
x = 419,593,191,203.23/725,197.72 - Step 6: Final answer
x = 578,591.44
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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.