Finding the Fourth Proportional to 644,725.17, 967,280.94 and 260,276.09
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Solution
The fourth proportional to 644,725.17, 967,280.94 and 260,276.09 is: 390,492.12
Step by Step Solution
- Step 1: Write the proportion equation
644,725.17 : 967,280.94 = 260,276.09 : x - Step 2: Convert to fraction form
644,725.17/967,280.94 = 260,276.09/x - Step 3: Cross multiply
644,725.17x = 967,280.94 × 260,276.09 - Step 4: Simplify right side
644,725.17x = 251,760,096,158.32 - Step 5: Solve for x
x = 251,760,096,158.32/644,725.17 - Step 6: Final answer
x = 390,492.12
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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.