Finding the Fourth Proportional to 828,135.96, 1,142,798.10 and 460,611.18
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Solution
The fourth proportional to 828,135.96, 1,142,798.10 and 460,611.18 is: 635,627.01
Step by Step Solution
- Step 1: Write the proportion equation
828,135.96 : 1,142,798.10 = 460,611.18 : x - Step 2: Convert to fraction form
828,135.96/1,142,798.10 = 460,611.18/x - Step 3: Cross multiply
828,135.96x = 1,142,798.10 × 460,611.18 - Step 4: Simplify right side
828,135.96x = 526,385,581,342.76 - Step 5: Solve for x
x = 526,385,581,342.76/828,135.96 - Step 6: Final answer
x = 635,627.01
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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.