Finding the Fourth Proportional to 955,019, 1,318,113.40 and 547,394.06
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Solution
The fourth proportional to 955,019, 1,318,113.40 and 547,394.06 is: 755,511.09
Step by Step Solution
- Step 1: Write the proportion equation
955,019 : 1,318,113.40 = 547,394.06 : x - Step 2: Convert to fraction form
955,019/1,318,113.40 = 547,394.06/x - Step 3: Cross multiply
955,019x = 1,318,113.40 × 547,394.06 - Step 4: Simplify right side
955,019x = 721,527,445,566.40 - Step 5: Solve for x
x = 721,527,445,566.40/955,019 - Step 6: Final answer
x = 755,511.09
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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.