Finding the Fourth Proportional to 652,599.70, 978,607.95 and 253,107.70
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Solution
The fourth proportional to 652,599.70, 978,607.95 and 253,107.70 is: 379,548.45
Step by Step Solution
- Step 1: Write the proportion equation
652,599.70 : 978,607.95 = 253,107.70 : x - Step 2: Convert to fraction form
652,599.70/978,607.95 = 253,107.70/x - Step 3: Cross multiply
652,599.70x = 978,607.95 × 253,107.70 - Step 4: Simplify right side
652,599.70x = 247,693,207,426.22 - Step 5: Solve for x
x = 247,693,207,426.22/652,599.70 - Step 6: Final answer
x = 379,548.45
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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.