Finding the Fourth Proportional to 554,482.80, 830,557.80 and 461,170.80
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Solution
The fourth proportional to 554,482.80, 830,557.80 and 461,170.80 is: 690,786.09
Step by Step Solution
- Step 1: Write the proportion equation
554,482.80 : 830,557.80 = 461,170.80 : x - Step 2: Convert to fraction form
554,482.80/830,557.80 = 461,170.80/x - Step 3: Cross multiply
554,482.80x = 830,557.80 × 461,170.80 - Step 4: Simplify right side
554,482.80x = 383,029,005,072.24 - Step 5: Solve for x
x = 383,029,005,072.24/554,482.80 - Step 6: Final answer
x = 690,786.09
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1.5x scale
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.