Finding the Fourth Proportional to 684,356.64, 1,026,517.68 and 185,707.68
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Solution
The fourth proportional to 684,356.64, 1,026,517.68 and 185,707.68 is: 278,556.83
Step by Step Solution
- Step 1: Write the proportion equation
684,356.64 : 1,026,517.68 = 185,707.68 : x - Step 2: Convert to fraction form
684,356.64/1,026,517.68 = 185,707.68/x - Step 3: Cross multiply
684,356.64x = 1,026,517.68 × 185,707.68 - Step 4: Simplify right side
684,356.64x = 190,632,216,831.78 - Step 5: Solve for x
x = 190,632,216,831.78/684,356.64 - Step 6: Final answer
x = 278,556.83
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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.