Finding the Fourth Proportional to 787,588.97, 1,182,014.06 and 408,618.32
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Solution
The fourth proportional to 787,588.97, 1,182,014.06 and 408,618.32 is: 613,254.65
Step by Step Solution
- Step 1: Write the proportion equation
787,588.97 : 1,182,014.06 = 408,618.32 : x - Step 2: Convert to fraction form
787,588.97/1,182,014.06 = 408,618.32/x - Step 3: Cross multiply
787,588.97x = 1,182,014.06 × 408,618.32 - Step 4: Simplify right side
787,588.97x = 482,992,591,460.42 - Step 5: Solve for x
x = 482,992,591,460.42/787,588.97 - Step 6: Final answer
x = 613,254.65
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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.