Finding the Fourth Proportional to 814,350.98, 1,221,526.47 and 441,102.98
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Solution
The fourth proportional to 814,350.98, 1,221,526.47 and 441,102.98 is: 661,654.47
Step by Step Solution
- Step 1: Write the proportion equation
814,350.98 : 1,221,526.47 = 441,102.98 : x - Step 2: Convert to fraction form
814,350.98/1,221,526.47 = 441,102.98/x - Step 3: Cross multiply
814,350.98x = 1,221,526.47 × 441,102.98 - Step 4: Simplify right side
814,350.98x = 538,818,966,065.88 - Step 5: Solve for x
x = 538,818,966,065.88/814,350.98 - Step 6: Final answer
x = 661,654.47
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Double scale
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Similar ratio
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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.