Finding the Fourth Proportional to 1,036,230.70, 1,554,346.05 and 288,276.70
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Solution
The fourth proportional to 1,036,230.70, 1,554,346.05 and 288,276.70 is: 432,415.05
Step by Step Solution
- Step 1: Write the proportion equation
1,036,230.70 : 1,554,346.05 = 288,276.70 : x - Step 2: Convert to fraction form
1,036,230.70/1,554,346.05 = 288,276.70/x - Step 3: Cross multiply
1,036,230.70x = 1,554,346.05 × 288,276.70 - Step 4: Simplify right side
1,036,230.70x = 448,081,749,952.04 - Step 5: Solve for x
x = 448,081,749,952.04/1,036,230.70 - Step 6: Final answer
x = 432,415.05
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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.