Finding the Fourth Proportional to 883,489.70, 1,325,407.35 and 378,049.70
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Solution
The fourth proportional to 883,489.70, 1,325,407.35 and 378,049.70 is: 567,148.49
Step by Step Solution
- Step 1: Write the proportion equation
883,489.70 : 1,325,407.35 = 378,049.70 : x - Step 2: Convert to fraction form
883,489.70/1,325,407.35 = 378,049.70/x - Step 3: Cross multiply
883,489.70x = 1,325,407.35 × 378,049.70 - Step 4: Simplify right side
883,489.70x = 501,069,851,045.30 - Step 5: Solve for x
x = 501,069,851,045.30/883,489.70 - Step 6: Final answer
x = 567,148.49
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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.