Finding the Fourth Proportional to 684,711.08, 944,883.62 and 378,779.56
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Solution
The fourth proportional to 684,711.08, 944,883.62 and 378,779.56 is: 522,706.02
Step by Step Solution
- Step 1: Write the proportion equation
684,711.08 : 944,883.62 = 378,779.56 : x - Step 2: Convert to fraction form
684,711.08/944,883.62 = 378,779.56/x - Step 3: Cross multiply
684,711.08x = 944,883.62 × 378,779.56 - Step 4: Simplify right side
684,711.08x = 357,902,601,834.81 - Step 5: Solve for x
x = 357,902,601,834.81/684,711.08 - Step 6: Final answer
x = 522,706.02
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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.