Finding the Fourth Proportional to 896,221.74, 1,344,893.02 and 363,742.70
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Solution
The fourth proportional to 896,221.74, 1,344,893.02 and 363,742.70 is: 545,841.50
Step by Step Solution
- Step 1: Write the proportion equation
896,221.74 : 1,344,893.02 = 363,742.70 : x - Step 2: Convert to fraction form
896,221.74/1,344,893.02 = 363,742.70/x - Step 3: Cross multiply
896,221.74x = 1,344,893.02 × 363,742.70 - Step 4: Simplify right side
896,221.74x = 489,195,018,305.95 - Step 5: Solve for x
x = 489,195,018,305.95/896,221.74 - Step 6: Final answer
x = 545,841.50
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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.