Finding the Fourth Proportional to 984,694.24, 1,477,226.64 and 678,239.65
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Solution
The fourth proportional to 984,694.24, 1,477,226.64 and 678,239.65 is: 1,017,487.09
Step by Step Solution
- Step 1: Write the proportion equation
984,694.24 : 1,477,226.64 = 678,239.65 : x - Step 2: Convert to fraction form
984,694.24/1,477,226.64 = 678,239.65/x - Step 3: Cross multiply
984,694.24x = 1,477,226.64 × 678,239.65 - Step 4: Simplify right side
984,694.24x = 1,001,913,671,898.14 - Step 5: Solve for x
x = 1,001,913,671,898.14/984,694.24 - Step 6: Final answer
x = 1,017,487.09
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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.