Finding the Fourth Proportional to 577,106.20, 865,659.30 and 364,529.80
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Solution
The fourth proportional to 577,106.20, 865,659.30 and 364,529.80 is: 546,794.70
Step by Step Solution
- Step 1: Write the proportion equation
577,106.20 : 865,659.30 = 364,529.80 : x - Step 2: Convert to fraction form
577,106.20/865,659.30 = 364,529.80/x - Step 3: Cross multiply
577,106.20x = 865,659.30 × 364,529.80 - Step 4: Simplify right side
577,106.20x = 315,558,611,497.14 - Step 5: Solve for x
x = 315,558,611,497.14/577,106.20 - Step 6: Final answer
x = 546,794.70
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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.