Finding the Fourth Proportional to 637,507.36, 879,779.50 and 351,037.70
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Solution
The fourth proportional to 637,507.36, 879,779.50 and 351,037.70 is: 484,442.68
Step by Step Solution
- Step 1: Write the proportion equation
637,507.36 : 879,779.50 = 351,037.70 : x - Step 2: Convert to fraction form
637,507.36/879,779.50 = 351,037.70/x - Step 3: Cross multiply
637,507.36x = 879,779.50 × 351,037.70 - Step 4: Simplify right side
637,507.36x = 308,835,772,187.15 - Step 5: Solve for x
x = 308,835,772,187.15/637,507.36 - Step 6: Final answer
x = 484,442.68
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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.