Finding the Fourth Proportional to 579,876.13, 869,464.60 and 259,970.14
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Solution
The fourth proportional to 579,876.13, 869,464.60 and 259,970.14 is: 389,798.48
Step by Step Solution
- Step 1: Write the proportion equation
579,876.13 : 869,464.60 = 259,970.14 : x - Step 2: Convert to fraction form
579,876.13/869,464.60 = 259,970.14/x - Step 3: Cross multiply
579,876.13x = 869,464.60 × 259,970.14 - Step 4: Simplify right side
579,876.13x = 226,034,833,787.04 - Step 5: Solve for x
x = 226,034,833,787.04/579,876.13 - Step 6: Final answer
x = 389,798.48
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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.