Finding the Fourth Proportional to 988,846.50, 1,482,390.09 and 357,619.98
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Solution
The fourth proportional to 988,846.50, 1,482,390.09 and 357,619.98 is: 536,111.84
Step by Step Solution
- Step 1: Write the proportion equation
988,846.50 : 1,482,390.09 = 357,619.98 : x - Step 2: Convert to fraction form
988,846.50/1,482,390.09 = 357,619.98/x - Step 3: Cross multiply
988,846.50x = 1,482,390.09 × 357,619.98 - Step 4: Simplify right side
988,846.50x = 530,132,314,338.00 - Step 5: Solve for x
x = 530,132,314,338.00/988,846.50 - Step 6: Final answer
x = 536,111.84
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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.