Finding the Fourth Proportional to 891,108.56, 1,336,129 and 283,634.48
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Solution
The fourth proportional to 891,108.56, 1,336,129 and 283,634.48 is: 425,281.80
Step by Step Solution
- Step 1: Write the proportion equation
891,108.56 : 1,336,129 = 283,634.48 : x - Step 2: Convert to fraction form
891,108.56/1,336,129 = 283,634.48/x - Step 3: Cross multiply
891,108.56x = 1,336,129 × 283,634.48 - Step 4: Simplify right side
891,108.56x = 378,972,254,127.92 - Step 5: Solve for x
x = 378,972,254,127.92/891,108.56 - Step 6: Final answer
x = 425,281.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.