Finding the Fourth Proportional to 998,440.26, 1,377,848.28 and 545,731.26
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Solution
The fourth proportional to 998,440.26, 1,377,848.28 and 545,731.26 is: 753,109.53
Step by Step Solution
- Step 1: Write the proportion equation
998,440.26 : 1,377,848.28 = 545,731.26 : x - Step 2: Convert to fraction form
998,440.26/1,377,848.28 = 545,731.26/x - Step 3: Cross multiply
998,440.26x = 1,377,848.28 × 545,731.26 - Step 4: Simplify right side
998,440.26x = 751,934,877,933.23 - Step 5: Solve for x
x = 751,934,877,933.23/998,440.26 - Step 6: Final answer
x = 753,109.53
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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.