Finding the Fourth Proportional to 878,747.42, 1,318,108.82 and 346,273.08
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Solution
The fourth proportional to 878,747.42, 1,318,108.82 and 346,273.08 is: 519,404.77
Step by Step Solution
- Step 1: Write the proportion equation
878,747.42 : 1,318,108.82 = 346,273.08 : x - Step 2: Convert to fraction form
878,747.42/1,318,108.82 = 346,273.08/x - Step 3: Cross multiply
878,747.42x = 1,318,108.82 × 346,273.08 - Step 4: Simplify right side
878,747.42x = 456,425,600,876.57 - Step 5: Solve for x
x = 456,425,600,876.57/878,747.42 - Step 6: Final answer
x = 519,404.77
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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.