Finding the Fourth Proportional to 886,811.20, 1,330,413.36 and 255,675.76
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Solution
The fourth proportional to 886,811.20, 1,330,413.36 and 255,675.76 is: 383,570.31
Step by Step Solution
- Step 1: Write the proportion equation
886,811.20 : 1,330,413.36 = 255,675.76 : x - Step 2: Convert to fraction form
886,811.20/1,330,413.36 = 255,675.76/x - Step 3: Cross multiply
886,811.20x = 1,330,413.36 × 255,675.76 - Step 4: Simplify right side
886,811.20x = 340,154,446,932.15 - Step 5: Solve for x
x = 340,154,446,932.15/886,811.20 - Step 6: Final answer
x = 383,570.31
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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.