Finding the Fourth Proportional to 665,602.28, 997,387.48 and 395,197.94
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Solution
The fourth proportional to 665,602.28, 997,387.48 and 395,197.94 is: 592,193.70
Step by Step Solution
- Step 1: Write the proportion equation
665,602.28 : 997,387.48 = 395,197.94 : x - Step 2: Convert to fraction form
665,602.28/997,387.48 = 395,197.94/x - Step 3: Cross multiply
665,602.28x = 997,387.48 × 395,197.94 - Step 4: Simplify right side
665,602.28x = 394,165,477,477.79 - Step 5: Solve for x
x = 394,165,477,477.79/665,602.28 - Step 6: Final answer
x = 592,193.70
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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.