Finding the Fourth Proportional to 642,844.53, 964,427.37 and 453,674.13
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Solution
The fourth proportional to 642,844.53, 964,427.37 and 453,674.13 is: 680,624.52
Step by Step Solution
- Step 1: Write the proportion equation
642,844.53 : 964,427.37 = 453,674.13 : x - Step 2: Convert to fraction form
642,844.53/964,427.37 = 453,674.13/x - Step 3: Cross multiply
642,844.53x = 964,427.37 × 453,674.13 - Step 4: Simplify right side
642,844.53x = 437,535,748,032.94 - Step 5: Solve for x
x = 437,535,748,032.94/642,844.53 - Step 6: Final answer
x = 680,624.52
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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.