Finding the Fourth Proportional to 998,342.24, 1,377,691.84 and 545,636.48
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Solution
The fourth proportional to 998,342.24, 1,377,691.84 and 545,636.48 is: 752,967.16
Step by Step Solution
- Step 1: Write the proportion equation
998,342.24 : 1,377,691.84 = 545,636.48 : x - Step 2: Convert to fraction form
998,342.24/1,377,691.84 = 545,636.48/x - Step 3: Cross multiply
998,342.24x = 1,377,691.84 × 545,636.48 - Step 4: Simplify right side
998,342.24x = 751,718,926,102.32 - Step 5: Solve for x
x = 751,718,926,102.32/998,342.24 - Step 6: Final answer
x = 752,967.16
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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.