Finding the Fourth Proportional to 473,115.30, 709,672.95 and 449,787.30
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Solution
The fourth proportional to 473,115.30, 709,672.95 and 449,787.30 is: 674,680.95
Step by Step Solution
- Step 1: Write the proportion equation
473,115.30 : 709,672.95 = 449,787.30 : x - Step 2: Convert to fraction form
473,115.30/709,672.95 = 449,787.30/x - Step 3: Cross multiply
473,115.30x = 709,672.95 × 449,787.30 - Step 4: Simplify right side
473,115.30x = 319,201,880,063.54 - Step 5: Solve for x
x = 319,201,880,063.54/473,115.30 - Step 6: Final answer
x = 674,680.95
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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.