Finding the Fourth Proportional to 930,265.43, 1,283,541.76 and 542,859.80
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Solution
The fourth proportional to 930,265.43, 1,283,541.76 and 542,859.80 is: 749,015.49
Step by Step Solution
- Step 1: Write the proportion equation
930,265.43 : 1,283,541.76 = 542,859.80 : x - Step 2: Convert to fraction form
930,265.43/1,283,541.76 = 542,859.80/x - Step 3: Cross multiply
930,265.43x = 1,283,541.76 × 542,859.80 - Step 4: Simplify right side
930,265.43x = 696,783,218,705.91 - Step 5: Solve for x
x = 696,783,218,705.91/930,265.43 - Step 6: Final answer
x = 749,015.49
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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.