Finding the Fourth Proportional to 676,139.40, 1,014,772.25 and 356,406.08
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Solution
The fourth proportional to 676,139.40, 1,014,772.25 and 356,406.08 is: 534,905.96
Step by Step Solution
- Step 1: Write the proportion equation
676,139.40 : 1,014,772.25 = 356,406.08 : x - Step 2: Convert to fraction form
676,139.40/1,014,772.25 = 356,406.08/x - Step 3: Cross multiply
676,139.40x = 1,014,772.25 × 356,406.08 - Step 4: Simplify right side
676,139.40x = 361,670,995,532.43 - Step 5: Solve for x
x = 361,670,995,532.43/676,139.40 - Step 6: Final answer
x = 534,905.96
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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.