Finding the Fourth Proportional to 572,800.68, 790,377.03 and 331,036.56
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Solution
The fourth proportional to 572,800.68, 790,377.03 and 331,036.56 is: 456,779.65
Step by Step Solution
- Step 1: Write the proportion equation
572,800.68 : 790,377.03 = 331,036.56 : x - Step 2: Convert to fraction form
572,800.68/790,377.03 = 331,036.56/x - Step 3: Cross multiply
572,800.68x = 790,377.03 × 331,036.56 - Step 4: Simplify right side
572,800.68x = 261,643,693,114.22 - Step 5: Solve for x
x = 261,643,693,114.22/572,800.68 - Step 6: Final answer
x = 456,779.65
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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.