Finding the Fourth Proportional to 879,329.96, 1,318,108.80 and 346,644.80
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Solution
The fourth proportional to 879,329.96, 1,318,108.80 and 346,644.80 is: 519,617.87
Step by Step Solution
- Step 1: Write the proportion equation
879,329.96 : 1,318,108.80 = 346,644.80 : x - Step 2: Convert to fraction form
879,329.96/1,318,108.80 = 346,644.80/x - Step 3: Cross multiply
879,329.96x = 1,318,108.80 × 346,644.80 - Step 4: Simplify right side
879,329.96x = 456,915,561,354.24 - Step 5: Solve for x
x = 456,915,561,354.24/879,329.96 - Step 6: Final answer
x = 519,617.87
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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.