Finding the Fourth Proportional to 550,423.05, 825,634.58 and 461,849.55
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Solution
The fourth proportional to 550,423.05, 825,634.58 and 461,849.55 is: 692,774.33
Step by Step Solution
- Step 1: Write the proportion equation
550,423.05 : 825,634.58 = 461,849.55 : x - Step 2: Convert to fraction form
550,423.05/825,634.58 = 461,849.55/x - Step 3: Cross multiply
550,423.05x = 825,634.58 × 461,849.55 - Step 4: Simplify right side
550,423.05x = 381,318,956,928.19 - Step 5: Solve for x
x = 381,318,956,928.19/550,423.05 - Step 6: Final answer
x = 692,774.33
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1.5x scale
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.