Finding the Fourth Proportional to 842,532.74, 1,162,612.92 and 479,928.14
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Solution
The fourth proportional to 842,532.74, 1,162,612.92 and 479,928.14 is: 662,253.98
Step by Step Solution
- Step 1: Write the proportion equation
842,532.74 : 1,162,612.92 = 479,928.14 : x - Step 2: Convert to fraction form
842,532.74/1,162,612.92 = 479,928.14/x - Step 3: Cross multiply
842,532.74x = 1,162,612.92 × 479,928.14 - Step 4: Simplify right side
842,532.74x = 557,970,656,235.57 - Step 5: Solve for x
x = 557,970,656,235.57/842,532.74 - Step 6: Final answer
x = 662,253.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.