Finding the Fourth Proportional to 890,305.73, 1,228,644.77 and 546,331.70
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Solution
The fourth proportional to 890,305.73, 1,228,644.77 and 546,331.70 is: 753,951.78
Step by Step Solution
- Step 1: Write the proportion equation
890,305.73 : 1,228,644.77 = 546,331.70 : x - Step 2: Convert to fraction form
890,305.73/1,228,644.77 = 546,331.70/x - Step 3: Cross multiply
890,305.73x = 1,228,644.77 × 546,331.70 - Step 4: Simplify right side
890,305.73x = 671,247,585,890.21 - Step 5: Solve for x
x = 671,247,585,890.21/890,305.73 - Step 6: Final answer
x = 753,951.78
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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.