Finding the Fourth Proportional to 990,075.36, 1,484,875.11 and 457,084.44
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Solution
The fourth proportional to 990,075.36, 1,484,875.11 and 457,084.44 is: 685,516.82
Step by Step Solution
- Step 1: Write the proportion equation
990,075.36 : 1,484,875.11 = 457,084.44 : x - Step 2: Convert to fraction form
990,075.36/1,484,875.11 = 457,084.44/x - Step 3: Cross multiply
990,075.36x = 1,484,875.11 × 457,084.44 - Step 4: Simplify right side
990,075.36x = 678,713,308,124.29 - Step 5: Solve for x
x = 678,713,308,124.29/990,075.36 - Step 6: Final answer
x = 685,516.82
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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.