Finding the Fourth Proportional to 664,831.80, 996,599.70 and 380,230.20
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Solution
The fourth proportional to 664,831.80, 996,599.70 and 380,230.20 is: 569,974.70
Step by Step Solution
- Step 1: Write the proportion equation
664,831.80 : 996,599.70 = 380,230.20 : x - Step 2: Convert to fraction form
664,831.80/996,599.70 = 380,230.20/x - Step 3: Cross multiply
664,831.80x = 996,599.70 × 380,230.20 - Step 4: Simplify right side
664,831.80x = 378,937,303,250.94 - Step 5: Solve for x
x = 378,937,303,250.94/664,831.80 - Step 6: Final answer
x = 569,974.70
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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.