Finding the Fourth Proportional to 821,847.91, 1,134,146.80 and 459,271.68
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Solution
The fourth proportional to 821,847.91, 1,134,146.80 and 459,271.68 is: 633,793.07
Step by Step Solution
- Step 1: Write the proportion equation
821,847.91 : 1,134,146.80 = 459,271.68 : x - Step 2: Convert to fraction form
821,847.91/1,134,146.80 = 459,271.68/x - Step 3: Cross multiply
821,847.91x = 1,134,146.80 × 459,271.68 - Step 4: Simplify right side
821,847.91x = 520,881,506,202.62 - Step 5: Solve for x
x = 520,881,506,202.62/821,847.91 - Step 6: Final answer
x = 633,793.07
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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.