Finding the Fourth Proportional to 838,235.07, 1,257,540.01 and 305,756.08
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Solution
The fourth proportional to 838,235.07, 1,257,540.01 and 305,756.08 is: 458,702.48
Step by Step Solution
- Step 1: Write the proportion equation
838,235.07 : 1,257,540.01 = 305,756.08 : x - Step 2: Convert to fraction form
838,235.07/1,257,540.01 = 305,756.08/x - Step 3: Cross multiply
838,235.07x = 1,257,540.01 × 305,756.08 - Step 4: Simplify right side
838,235.07x = 384,500,503,900.76 - Step 5: Solve for x
x = 384,500,503,900.76/838,235.07 - Step 6: Final answer
x = 458,702.48
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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.