Finding the Fourth Proportional to 620,875.13, 930,470.49 and 283,497.57
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Solution
The fourth proportional to 620,875.13, 930,470.49 and 283,497.57 is: 424,861.80
Step by Step Solution
- Step 1: Write the proportion equation
620,875.13 : 930,470.49 = 283,497.57 : x - Step 2: Convert to fraction form
620,875.13/930,470.49 = 283,497.57/x - Step 3: Cross multiply
620,875.13x = 930,470.49 × 283,497.57 - Step 4: Simplify right side
620,875.13x = 263,786,122,871.71 - Step 5: Solve for x
x = 263,786,122,871.71/620,875.13 - Step 6: Final answer
x = 424,861.80
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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.