Finding the Fourth Proportional to 546,455.80, 819,683.70 and 336,503.80
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Solution
The fourth proportional to 546,455.80, 819,683.70 and 336,503.80 is: 504,755.70
Step by Step Solution
- Step 1: Write the proportion equation
546,455.80 : 819,683.70 = 336,503.80 : x - Step 2: Convert to fraction form
546,455.80/819,683.70 = 336,503.80/x - Step 3: Cross multiply
546,455.80x = 819,683.70 × 336,503.80 - Step 4: Simplify right side
546,455.80x = 275,826,679,848.06 - Step 5: Solve for x
x = 275,826,679,848.06/546,455.80 - Step 6: Final answer
x = 504,755.70
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1.5x scale
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.