Finding the Fourth Proportional to 939,468.74, 1,409,261.79 and 265,602.02
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Solution
The fourth proportional to 939,468.74, 1,409,261.79 and 265,602.02 is: 398,419.62
Step by Step Solution
- Step 1: Write the proportion equation
939,468.74 : 1,409,261.79 = 265,602.02 : x - Step 2: Convert to fraction form
939,468.74/1,409,261.79 = 265,602.02/x - Step 3: Cross multiply
939,468.74x = 1,409,261.79 × 265,602.02 - Step 4: Simplify right side
939,468.74x = 374,302,778,132.82 - Step 5: Solve for x
x = 374,302,778,132.82/939,468.74 - Step 6: Final answer
x = 398,419.62
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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.