Finding the Fourth Proportional to 711,582.05, 1,067,153.34 and 374,439.53
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Solution
The fourth proportional to 711,582.05, 1,067,153.34 and 374,439.53 is: 561,543.67
Step by Step Solution
- Step 1: Write the proportion equation
711,582.05 : 1,067,153.34 = 374,439.53 : x - Step 2: Convert to fraction form
711,582.05/1,067,153.34 = 374,439.53/x - Step 3: Cross multiply
711,582.05x = 1,067,153.34 × 374,439.53 - Step 4: Simplify right side
711,582.05x = 399,584,395,067.53 - Step 5: Solve for x
x = 399,584,395,067.53/711,582.05 - Step 6: Final answer
x = 561,543.67
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1.5x scale
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.