Finding the Fourth Proportional to 608,098.26, 912,296.04 and 428,533.95
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Solution
The fourth proportional to 608,098.26, 912,296.04 and 428,533.95 is: 642,905.68
Step by Step Solution
- Step 1: Write the proportion equation
608,098.26 : 912,296.04 = 428,533.95 : x - Step 2: Convert to fraction form
608,098.26/912,296.04 = 428,533.95/x - Step 3: Cross multiply
608,098.26x = 912,296.04 × 428,533.95 - Step 4: Simplify right side
608,098.26x = 390,949,825,590.56 - Step 5: Solve for x
x = 390,949,825,590.56/608,098.26 - Step 6: Final answer
x = 642,905.68
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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.