Finding the Fourth Proportional to 955,236.84, 1,318,235.40 and 519,663.68
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Solution
The fourth proportional to 955,236.84, 1,318,235.40 and 519,663.68 is: 717,140.54
Step by Step Solution
- Step 1: Write the proportion equation
955,236.84 : 1,318,235.40 = 519,663.68 : x - Step 2: Convert to fraction form
955,236.84/1,318,235.40 = 519,663.68/x - Step 3: Cross multiply
955,236.84x = 1,318,235.40 × 519,663.68 - Step 4: Simplify right side
955,236.84x = 685,039,059,070.27 - Step 5: Solve for x
x = 685,039,059,070.27/955,236.84 - Step 6: Final answer
x = 717,140.54
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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.