Finding the Fourth Proportional to 586,740.96, 809,704.08 and 318,468.96
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Solution
The fourth proportional to 586,740.96, 809,704.08 and 318,468.96 is: 439,488.01
Step by Step Solution
- Step 1: Write the proportion equation
586,740.96 : 809,704.08 = 318,468.96 : x - Step 2: Convert to fraction form
586,740.96/809,704.08 = 318,468.96/x - Step 3: Cross multiply
586,740.96x = 809,704.08 × 318,468.96 - Step 4: Simplify right side
586,740.96x = 257,865,616,265.36 - Step 5: Solve for x
x = 257,865,616,265.36/586,740.96 - Step 6: Final answer
x = 439,488.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.