Finding the Fourth Proportional to 842,524.12, 1,162,705.62 and 503,188.12
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Solution
The fourth proportional to 842,524.12, 1,162,705.62 and 503,188.12 is: 694,412.94
Step by Step Solution
- Step 1: Write the proportion equation
842,524.12 : 1,162,705.62 = 503,188.12 : x - Step 2: Convert to fraction form
842,524.12/1,162,705.62 = 503,188.12/x - Step 3: Cross multiply
842,524.12x = 1,162,705.62 × 503,188.12 - Step 4: Simplify right side
842,524.12x = 585,059,655,041.24 - Step 5: Solve for x
x = 585,059,655,041.24/842,524.12 - Step 6: Final answer
x = 694,412.94
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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.