Finding the Fourth Proportional to 916,348, 1,265,113.20 and 598,948.96
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Solution
The fourth proportional to 916,348, 1,265,113.20 and 598,948.96 is: 826,910.99
Step by Step Solution
- Step 1: Write the proportion equation
916,348 : 1,265,113.20 = 598,948.96 : x - Step 2: Convert to fraction form
916,348/1,265,113.20 = 598,948.96/x - Step 3: Cross multiply
916,348x = 1,265,113.20 × 598,948.96 - Step 4: Simplify right side
916,348x = 757,738,235,422.27 - Step 5: Solve for x
x = 757,738,235,422.27/916,348 - Step 6: Final answer
x = 826,910.99
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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.