Finding the Fourth Proportional to 911,790.88, 1,258,205.52 and 503,887.84
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Solution
The fourth proportional to 911,790.88, 1,258,205.52 and 503,887.84 is: 695,328.80
Step by Step Solution
- Step 1: Write the proportion equation
911,790.88 : 1,258,205.52 = 503,887.84 : x - Step 2: Convert to fraction form
911,790.88/1,258,205.52 = 503,887.84/x - Step 3: Cross multiply
911,790.88x = 1,258,205.52 × 503,887.84 - Step 4: Simplify right side
911,790.88x = 633,994,461,748.88 - Step 5: Solve for x
x = 633,994,461,748.88/911,790.88 - Step 6: Final answer
x = 695,328.80
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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.