Finding the Fourth Proportional to 578,079.53, 866,725.18 and 293,220.80
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Solution
The fourth proportional to 578,079.53, 866,725.18 and 293,220.80 is: 439,631.28
Step by Step Solution
- Step 1: Write the proportion equation
578,079.53 : 866,725.18 = 293,220.80 : x - Step 2: Convert to fraction form
578,079.53/866,725.18 = 293,220.80/x - Step 3: Cross multiply
578,079.53x = 866,725.18 × 293,220.80 - Step 4: Simplify right side
578,079.53x = 254,141,846,309.95 - Step 5: Solve for x
x = 254,141,846,309.95/578,079.53 - Step 6: Final answer
x = 439,631.28
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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.