Finding the Fourth Proportional to 931,612.68, 1,285,554.69 and 523,649.70
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Solution
The fourth proportional to 931,612.68, 1,285,554.69 and 523,649.70 is: 722,596.79
Step by Step Solution
- Step 1: Write the proportion equation
931,612.68 : 1,285,554.69 = 523,649.70 : x - Step 2: Convert to fraction form
931,612.68/1,285,554.69 = 523,649.70/x - Step 3: Cross multiply
931,612.68x = 1,285,554.69 × 523,649.70 - Step 4: Simplify right side
931,612.68x = 673,180,327,752.09 - Step 5: Solve for x
x = 673,180,327,752.09/931,612.68 - Step 6: Final answer
x = 722,596.79
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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.