Finding the Fourth Proportional to 660,832.98, 911,994.59 and 374,355.42
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Solution
The fourth proportional to 660,832.98, 911,994.59 and 374,355.42 is: 516,636.01
Step by Step Solution
- Step 1: Write the proportion equation
660,832.98 : 911,994.59 = 374,355.42 : x - Step 2: Convert to fraction form
660,832.98/911,994.59 = 374,355.42/x - Step 3: Cross multiply
660,832.98x = 911,994.59 × 374,355.42 - Step 4: Simplify right side
660,832.98x = 341,410,115,905.40 - Step 5: Solve for x
x = 341,410,115,905.40/660,832.98 - Step 6: Final answer
x = 516,636.01
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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.