Finding the Fourth Proportional to 608,132.97, 911,813.09 and 533,403.18
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Solution
The fourth proportional to 608,132.97, 911,813.09 and 533,403.18 is: 799,765.88
Step by Step Solution
- Step 1: Write the proportion equation
608,132.97 : 911,813.09 = 533,403.18 : x - Step 2: Convert to fraction form
608,132.97/911,813.09 = 533,403.18/x - Step 3: Cross multiply
608,132.97x = 911,813.09 × 533,403.18 - Step 4: Simplify right side
608,132.97x = 486,363,999,104.61 - Step 5: Solve for x
x = 486,363,999,104.61/608,132.97 - Step 6: Final answer
x = 799,765.88
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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.