Finding the Fourth Proportional to 443,270.70, 611,298.36 and 352,924.92
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Solution
The fourth proportional to 443,270.70, 611,298.36 and 352,924.92 is: 486,705.81
Step by Step Solution
- Step 1: Write the proportion equation
443,270.70 : 611,298.36 = 352,924.92 : x - Step 2: Convert to fraction form
443,270.70/611,298.36 = 352,924.92/x - Step 3: Cross multiply
443,270.70x = 611,298.36 × 352,924.92 - Step 4: Simplify right side
443,270.70x = 215,742,424,799.13 - Step 5: Solve for x
x = 215,742,424,799.13/443,270.70 - Step 6: Final answer
x = 486,705.81
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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.