Finding the Fourth Proportional to 873,263.87, 1,205,103.96 and 486,070.94
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Solution
The fourth proportional to 873,263.87, 1,205,103.96 and 486,070.94 is: 670,777.80
Step by Step Solution
- Step 1: Write the proportion equation
873,263.87 : 1,205,103.96 = 486,070.94 : x - Step 2: Convert to fraction form
873,263.87/1,205,103.96 = 486,070.94/x - Step 3: Cross multiply
873,263.87x = 1,205,103.96 × 486,070.94 - Step 4: Simplify right side
873,263.87x = 585,766,014,634.92 - Step 5: Solve for x
x = 585,766,014,634.92/873,263.87 - Step 6: Final answer
x = 670,777.80
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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.