Finding the Fourth Proportional to 999,115.62, 1,378,776.61 and 540,226.92
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Solution
The fourth proportional to 999,115.62, 1,378,776.61 and 540,226.92 is: 745,511.56
Step by Step Solution
- Step 1: Write the proportion equation
999,115.62 : 1,378,776.61 = 540,226.92 : x - Step 2: Convert to fraction form
999,115.62/1,378,776.61 = 540,226.92/x - Step 3: Cross multiply
999,115.62x = 1,378,776.61 × 540,226.92 - Step 4: Simplify right side
999,115.62x = 744,852,241,388.34 - Step 5: Solve for x
x = 744,852,241,388.34/999,115.62 - Step 6: Final answer
x = 745,511.56
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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.