Finding the Fourth Proportional to 906,219.49, 1,358,479.95 and 306,761.17
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Solution
The fourth proportional to 906,219.49, 1,358,479.95 and 306,761.17 is: 459,854.27
Step by Step Solution
- Step 1: Write the proportion equation
906,219.49 : 1,358,479.95 = 306,761.17 : x - Step 2: Convert to fraction form
906,219.49/1,358,479.95 = 306,761.17/x - Step 3: Cross multiply
906,219.49x = 1,358,479.95 × 306,761.17 - Step 4: Simplify right side
906,219.49x = 416,728,897,459.31 - Step 5: Solve for x
x = 416,728,897,459.31/906,219.49 - Step 6: Final answer
x = 459,854.27
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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.