Finding the Fourth Proportional to 652,107.30, 978,160.95 and 449,153.70
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Solution
The fourth proportional to 652,107.30, 978,160.95 and 449,153.70 is: 673,730.55
Step by Step Solution
- Step 1: Write the proportion equation
652,107.30 : 978,160.95 = 449,153.70 : x - Step 2: Convert to fraction form
652,107.30/978,160.95 = 449,153.70/x - Step 3: Cross multiply
652,107.30x = 978,160.95 × 449,153.70 - Step 4: Simplify right side
652,107.30x = 439,344,609,888.02 - Step 5: Solve for x
x = 439,344,609,888.02/652,107.30 - Step 6: Final answer
x = 673,730.55
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Similar ratio
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1.5x scale
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.