Finding the Fourth Proportional to 750,413.12, 1,125,354 and 276,971.36
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Solution
The fourth proportional to 750,413.12, 1,125,354 and 276,971.36 is: 415,358.98
Step by Step Solution
- Step 1: Write the proportion equation
750,413.12 : 1,125,354 = 276,971.36 : x - Step 2: Convert to fraction form
750,413.12/1,125,354 = 276,971.36/x - Step 3: Cross multiply
750,413.12x = 1,125,354 × 276,971.36 - Step 4: Simplify right side
750,413.12x = 311,690,827,861.44 - Step 5: Solve for x
x = 311,690,827,861.44/750,413.12 - Step 6: Final answer
x = 415,358.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.