Finding the Fourth Proportional to 725,683.68, 1,088,536.56 and 252,385.32
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Solution
The fourth proportional to 725,683.68, 1,088,536.56 and 252,385.32 is: 378,581.82
Step by Step Solution
- Step 1: Write the proportion equation
725,683.68 : 1,088,536.56 = 252,385.32 : x - Step 2: Convert to fraction form
725,683.68/1,088,536.56 = 252,385.32/x - Step 3: Cross multiply
725,683.68x = 1,088,536.56 × 252,385.32 - Step 4: Simplify right side
725,683.68x = 274,730,648,027.30 - Step 5: Solve for x
x = 274,730,648,027.30/725,683.68 - Step 6: Final answer
x = 378,581.82
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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.