Finding the Fourth Proportional to 607,529.80, 911,294.70 and 253,235.80
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Solution
The fourth proportional to 607,529.80, 911,294.70 and 253,235.80 is: 379,853.70
Step by Step Solution
- Step 1: Write the proportion equation
607,529.80 : 911,294.70 = 253,235.80 : x - Step 2: Convert to fraction form
607,529.80/911,294.70 = 253,235.80/x - Step 3: Cross multiply
607,529.80x = 911,294.70 × 253,235.80 - Step 4: Simplify right side
607,529.80x = 230,772,442,390.26 - Step 5: Solve for x
x = 230,772,442,390.26/607,529.80 - Step 6: Final answer
x = 379,853.70
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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.