Finding the Fourth Proportional to 687,262.06, 948,468.99 and 385,475.50
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Solution
The fourth proportional to 687,262.06, 948,468.99 and 385,475.50 is: 531,982.75
Step by Step Solution
- Step 1: Write the proportion equation
687,262.06 : 948,468.99 = 385,475.50 : x - Step 2: Convert to fraction form
687,262.06/948,468.99 = 385,475.50/x - Step 3: Cross multiply
687,262.06x = 948,468.99 × 385,475.50 - Step 4: Simplify right side
687,262.06x = 365,611,558,154.75 - Step 5: Solve for x
x = 365,611,558,154.75/687,262.06 - Step 6: Final answer
x = 531,982.75
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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.