Finding the Fourth Proportional to 396,633.76, 594,316.36 and 356,349.20
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Solution
The fourth proportional to 396,633.76, 594,316.36 and 356,349.20 is: 533,953.94
Step by Step Solution
- Step 1: Write the proportion equation
396,633.76 : 594,316.36 = 356,349.20 : x - Step 2: Convert to fraction form
396,633.76/594,316.36 = 356,349.20/x - Step 3: Cross multiply
396,633.76x = 594,316.36 × 356,349.20 - Step 4: Simplify right side
396,633.76x = 211,784,159,432.91 - Step 5: Solve for x
x = 211,784,159,432.91/396,633.76 - Step 6: Final answer
x = 533,953.94
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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.