Finding the Fourth Proportional to 593,831.19, 818,388.03 and 421,756.68
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Solution
The fourth proportional to 593,831.19, 818,388.03 and 421,756.68 is: 581,243.67
Step by Step Solution
- Step 1: Write the proportion equation
593,831.19 : 818,388.03 = 421,756.68 : x - Step 2: Convert to fraction form
593,831.19/818,388.03 = 421,756.68/x - Step 3: Cross multiply
593,831.19x = 818,388.03 × 421,756.68 - Step 4: Simplify right side
593,831.19x = 345,160,618,484.54 - Step 5: Solve for x
x = 345,160,618,484.54/593,831.19 - Step 6: Final answer
x = 581,243.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.