Finding the Fourth Proportional to 900,272.17, 1,348,483.55 and 728,753.05
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Solution
The fourth proportional to 900,272.17, 1,348,483.55 and 728,753.05 is: 1,091,571.56
Step by Step Solution
- Step 1: Write the proportion equation
900,272.17 : 1,348,483.55 = 728,753.05 : x - Step 2: Convert to fraction form
900,272.17/1,348,483.55 = 728,753.05/x - Step 3: Cross multiply
900,272.17x = 1,348,483.55 × 728,753.05 - Step 4: Simplify right side
900,272.17x = 982,711,497,979.17 - Step 5: Solve for x
x = 982,711,497,979.17/900,272.17 - Step 6: Final answer
x = 1,091,571.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.