Finding the Fourth Proportional to 553,615.26, 763,989.06 and 298,966.44
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Solution
The fourth proportional to 553,615.26, 763,989.06 and 298,966.44 is: 412,573.69
Step by Step Solution
- Step 1: Write the proportion equation
553,615.26 : 763,989.06 = 298,966.44 : x - Step 2: Convert to fraction form
553,615.26/763,989.06 = 298,966.44/x - Step 3: Cross multiply
553,615.26x = 763,989.06 × 298,966.44 - Step 4: Simplify right side
553,615.26x = 228,407,089,467.15 - Step 5: Solve for x
x = 228,407,089,467.15/553,615.26 - Step 6: Final answer
x = 412,573.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.