Finding the Fourth Proportional to 827,833.48, 1,247,281.99 and 747,964.28
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Solution
The fourth proportional to 827,833.48, 1,247,281.99 and 747,964.28 is: 1,126,944.49
Step by Step Solution
- Step 1: Write the proportion equation
827,833.48 : 1,247,281.99 = 747,964.28 : x - Step 2: Convert to fraction form
827,833.48/1,247,281.99 = 747,964.28/x - Step 3: Cross multiply
827,833.48x = 1,247,281.99 × 747,964.28 - Step 4: Simplify right side
827,833.48x = 932,922,375,607.32 - Step 5: Solve for x
x = 932,922,375,607.32/827,833.48 - Step 6: Final answer
x = 1,126,944.49
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.