Finding the Fourth Proportional to 896,115.70, 1,344,173.55 and 577,251.10
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Solution
The fourth proportional to 896,115.70, 1,344,173.55 and 577,251.10 is: 865,876.65
Step by Step Solution
- Step 1: Write the proportion equation
896,115.70 : 1,344,173.55 = 577,251.10 : x - Step 2: Convert to fraction form
896,115.70/1,344,173.55 = 577,251.10/x - Step 3: Cross multiply
896,115.70x = 1,344,173.55 × 577,251.10 - Step 4: Simplify right side
896,115.70x = 775,925,660,328.41 - Step 5: Solve for x
x = 775,925,660,328.41/896,115.70 - Step 6: Final answer
x = 865,876.65
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Double scale
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Similar ratio
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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.