Finding the Fourth Proportional to 711,831.68, 1,067,904.37 and 206,413.76
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Solution
The fourth proportional to 711,831.68, 1,067,904.37 and 206,413.76 is: 309,666.12
Step by Step Solution
- Step 1: Write the proportion equation
711,831.68 : 1,067,904.37 = 206,413.76 : x - Step 2: Convert to fraction form
711,831.68/1,067,904.37 = 206,413.76/x - Step 3: Cross multiply
711,831.68x = 1,067,904.37 × 206,413.76 - Step 4: Simplify right side
711,831.68x = 220,430,156,332.13 - Step 5: Solve for x
x = 220,430,156,332.13/711,831.68 - Step 6: Final answer
x = 309,666.12
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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.