Finding the Fourth Proportional to 873,208.08, 1,205,025.12 and 491,234.76
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Solution
The fourth proportional to 873,208.08, 1,205,025.12 and 491,234.76 is: 677,902.83
Step by Step Solution
- Step 1: Write the proportion equation
873,208.08 : 1,205,025.12 = 491,234.76 : x - Step 2: Convert to fraction form
873,208.08/1,205,025.12 = 491,234.76/x - Step 3: Cross multiply
873,208.08x = 1,205,025.12 × 491,234.76 - Step 4: Simplify right side
873,208.08x = 591,950,225,617.17 - Step 5: Solve for x
x = 591,950,225,617.17/873,208.08 - Step 6: Final answer
x = 677,902.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.