Finding the Fourth Proportional to 739,000.26, 1,019,291.18 and 480,394.80
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Solution
The fourth proportional to 739,000.26, 1,019,291.18 and 480,394.80 is: 662,600.82
Step by Step Solution
- Step 1: Write the proportion equation
739,000.26 : 1,019,291.18 = 480,394.80 : x - Step 2: Convert to fraction form
739,000.26/1,019,291.18 = 480,394.80/x - Step 3: Cross multiply
739,000.26x = 1,019,291.18 × 480,394.80 - Step 4: Simplify right side
739,000.26x = 489,662,180,155.89 - Step 5: Solve for x
x = 489,662,180,155.89/739,000.26 - Step 6: Final answer
x = 662,600.82
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1.5x scale
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.