Finding the Fourth Proportional to 919,623.12, 1,379,318.04 and 683,310.48
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Solution
The fourth proportional to 919,623.12, 1,379,318.04 and 683,310.48 is: 1,024,879.05
Step by Step Solution
- Step 1: Write the proportion equation
919,623.12 : 1,379,318.04 = 683,310.48 : x - Step 2: Convert to fraction form
919,623.12/1,379,318.04 = 683,310.48/x - Step 3: Cross multiply
919,623.12x = 1,379,318.04 × 683,310.48 - Step 4: Simplify right side
919,623.12x = 942,502,471,985.06 - Step 5: Solve for x
x = 942,502,471,985.06/919,623.12 - Step 6: Final answer
x = 1,024,879.05
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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.