Finding the Fourth Proportional to 814,351.98, 1,221,527.97 and 441,103.98
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Solution
The fourth proportional to 814,351.98, 1,221,527.97 and 441,103.98 is: 661,655.97
Step by Step Solution
- Step 1: Write the proportion equation
814,351.98 : 1,221,527.97 = 441,103.98 : x - Step 2: Convert to fraction form
814,351.98/1,221,527.97 = 441,103.98/x - Step 3: Cross multiply
814,351.98x = 1,221,527.97 × 441,103.98 - Step 4: Simplify right side
814,351.98x = 538,820,849,248.32 - Step 5: Solve for x
x = 538,820,849,248.32/814,351.98 - Step 6: Final answer
x = 661,655.97
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1.5x scale
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.