Finding the Fourth Proportional to 405,310.23, 608,276.99 and 384,497.28
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Solution
The fourth proportional to 405,310.23, 608,276.99 and 384,497.28 is: 577,041.56
Step by Step Solution
- Step 1: Write the proportion equation
405,310.23 : 608,276.99 = 384,497.28 : x - Step 2: Convert to fraction form
405,310.23/608,276.99 = 384,497.28/x - Step 3: Cross multiply
405,310.23x = 608,276.99 × 384,497.28 - Step 4: Simplify right side
405,310.23x = 233,880,843,177.72 - Step 5: Solve for x
x = 233,880,843,177.72/405,310.23 - Step 6: Final answer
x = 577,041.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.