Finding the Fourth Proportional to 998,145.84, 1,377,029.52 and 725,616.48
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Solution
The fourth proportional to 998,145.84, 1,377,029.52 and 725,616.48 is: 1,001,051.42
Step by Step Solution
- Step 1: Write the proportion equation
998,145.84 : 1,377,029.52 = 725,616.48 : x - Step 2: Convert to fraction form
998,145.84/1,377,029.52 = 725,616.48/x - Step 3: Cross multiply
998,145.84x = 1,377,029.52 × 725,616.48 - Step 4: Simplify right side
998,145.84x = 999,195,313,158.49 - Step 5: Solve for x
x = 999,195,313,158.49/998,145.84 - Step 6: Final answer
x = 1,001,051.42
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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.