Finding the Fourth Proportional to 828,318.43, 1,143,173.55 and 460,831.96
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Solution
The fourth proportional to 828,318.43, 1,143,173.55 and 460,831.96 is: 636,000.47
Step by Step Solution
- Step 1: Write the proportion equation
828,318.43 : 1,143,173.55 = 460,831.96 : x - Step 2: Convert to fraction form
828,318.43/1,143,173.55 = 460,831.96/x - Step 3: Cross multiply
828,318.43x = 1,143,173.55 × 460,831.96 - Step 4: Simplify right side
828,318.43x = 526,810,907,666.66 - Step 5: Solve for x
x = 526,810,907,666.66/828,318.43 - Step 6: Final answer
x = 636,000.47
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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.