Finding the Fourth Proportional to 637,505.76, 879,777.30 and 351,036.09
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Solution
The fourth proportional to 637,505.76, 879,777.30 and 351,036.09 is: 484,440.46
Step by Step Solution
- Step 1: Write the proportion equation
637,505.76 : 879,777.30 = 351,036.09 : x - Step 2: Convert to fraction form
637,505.76/879,777.30 = 351,036.09/x - Step 3: Cross multiply
637,505.76x = 879,777.30 × 351,036.09 - Step 4: Simplify right side
637,505.76x = 308,833,583,462.76 - Step 5: Solve for x
x = 308,833,583,462.76/637,505.76 - Step 6: Final answer
x = 484,440.46
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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.