Finding the Fourth Proportional to 591,631.10, 816,450.80 and 319,698.98
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Solution
The fourth proportional to 591,631.10, 816,450.80 and 319,698.98 is: 441,184.53
Step by Step Solution
- Step 1: Write the proportion equation
591,631.10 : 816,450.80 = 319,698.98 : x - Step 2: Convert to fraction form
591,631.10/816,450.80 = 319,698.98/x - Step 3: Cross multiply
591,631.10x = 816,450.80 × 319,698.98 - Step 4: Simplify right side
591,631.10x = 261,018,487,980.18 - Step 5: Solve for x
x = 261,018,487,980.18/591,631.10 - Step 6: Final answer
x = 441,184.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.