Finding the Fourth Proportional to 865,226.80, 1,297,823.11 and 258,426.07
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Solution
The fourth proportional to 865,226.80, 1,297,823.11 and 258,426.07 is: 387,634.00
Step by Step Solution
- Step 1: Write the proportion equation
865,226.80 : 1,297,823.11 = 258,426.07 : x - Step 2: Convert to fraction form
865,226.80/1,297,823.11 = 258,426.07/x - Step 3: Cross multiply
865,226.80x = 1,297,823.11 × 258,426.07 - Step 4: Simplify right side
865,226.80x = 335,391,325,872.48 - Step 5: Solve for x
x = 335,391,325,872.48/865,226.80 - Step 6: Final answer
x = 387,634.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.