Finding the Fourth Proportional to 951,521.62, 1,313,117.88 and 521,776.12
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Solution
The fourth proportional to 951,521.62, 1,313,117.88 and 521,776.12 is: 720,060.94
Step by Step Solution
- Step 1: Write the proportion equation
951,521.62 : 1,313,117.88 = 521,776.12 : x - Step 2: Convert to fraction form
951,521.62/1,313,117.88 = 521,776.12/x - Step 3: Cross multiply
951,521.62x = 1,313,117.88 × 521,776.12 - Step 4: Simplify right side
951,521.62x = 685,153,552,529.03 - Step 5: Solve for x
x = 685,153,552,529.03/951,521.62 - Step 6: Final answer
x = 720,060.94
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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.