Finding the Fourth Proportional to 611,685.18, 843,832.62 and 430,497.63
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Solution
The fourth proportional to 611,685.18, 843,832.62 and 430,497.63 is: 593,880.57
Step by Step Solution
- Step 1: Write the proportion equation
611,685.18 : 843,832.62 = 430,497.63 : x - Step 2: Convert to fraction form
611,685.18/843,832.62 = 430,497.63/x - Step 3: Cross multiply
611,685.18x = 843,832.62 × 430,497.63 - Step 4: Simplify right side
611,685.18x = 363,267,943,026.69 - Step 5: Solve for x
x = 363,267,943,026.69/611,685.18 - Step 6: Final answer
x = 593,880.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.