Finding the Fourth Proportional to 905,733.24, 1,249,721.10 and 503,316.60
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Solution
The fourth proportional to 905,733.24, 1,249,721.10 and 503,316.60 is: 694,470.90
Step by Step Solution
- Step 1: Write the proportion equation
905,733.24 : 1,249,721.10 = 503,316.60 : x - Step 2: Convert to fraction form
905,733.24/1,249,721.10 = 503,316.60/x - Step 3: Cross multiply
905,733.24x = 1,249,721.10 × 503,316.60 - Step 4: Simplify right side
905,733.24x = 629,005,375,000.26 - Step 5: Solve for x
x = 629,005,375,000.26/905,733.24 - Step 6: Final answer
x = 694,470.90
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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.