Finding the Fourth Proportional to 879,938.91, 1,319,880.02 and 280,936.62
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Solution
The fourth proportional to 879,938.91, 1,319,880.02 and 280,936.62 is: 421,395.88
Step by Step Solution
- Step 1: Write the proportion equation
879,938.91 : 1,319,880.02 = 280,936.62 : x - Step 2: Convert to fraction form
879,938.91/1,319,880.02 = 280,936.62/x - Step 3: Cross multiply
879,938.91x = 1,319,880.02 × 280,936.62 - Step 4: Simplify right side
879,938.91x = 370,802,630,219.65 - Step 5: Solve for x
x = 370,802,630,219.65/879,938.91 - Step 6: Final answer
x = 421,395.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.