Finding the Fourth Proportional to 911,550.84, 1,257,875.50 and 503,648.20
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Solution
The fourth proportional to 911,550.84, 1,257,875.50 and 503,648.20 is: 694,998.79
Step by Step Solution
- Step 1: Write the proportion equation
911,550.84 : 1,257,875.50 = 503,648.20 : x - Step 2: Convert to fraction form
911,550.84/1,257,875.50 = 503,648.20/x - Step 3: Cross multiply
911,550.84x = 1,257,875.50 × 503,648.20 - Step 4: Simplify right side
911,550.84x = 633,526,731,399.10 - Step 5: Solve for x
x = 633,526,731,399.10/911,550.84 - Step 6: Final answer
x = 694,998.79
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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.