Finding the Fourth Proportional to 951,226.80, 1,312,703.76 and 543,382.62
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Solution
The fourth proportional to 951,226.80, 1,312,703.76 and 543,382.62 is: 749,874.17
Step by Step Solution
- Step 1: Write the proportion equation
951,226.80 : 1,312,703.76 = 543,382.62 : x - Step 2: Convert to fraction form
951,226.80/1,312,703.76 = 543,382.62/x - Step 3: Cross multiply
951,226.80x = 1,312,703.76 × 543,382.62 - Step 4: Simplify right side
951,226.80x = 713,300,408,392.65 - Step 5: Solve for x
x = 713,300,408,392.65/951,226.80 - Step 6: Final answer
x = 749,874.17
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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.