Finding the Fourth Proportional to 879,668.84, 1,213,813.92 and 492,464.12
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Solution
The fourth proportional to 879,668.84, 1,213,813.92 and 492,464.12 is: 679,528.22
Step by Step Solution
- Step 1: Write the proportion equation
879,668.84 : 1,213,813.92 = 492,464.12 : x - Step 2: Convert to fraction form
879,668.84/1,213,813.92 = 492,464.12/x - Step 3: Cross multiply
879,668.84x = 1,213,813.92 × 492,464.12 - Step 4: Simplify right side
879,668.84x = 597,759,803,956.55 - Step 5: Solve for x
x = 597,759,803,956.55/879,668.84 - Step 6: Final answer
x = 679,528.22
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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.