Finding the Fourth Proportional to 652,153.80, 978,230.70 and 547,177.80
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Solution
The fourth proportional to 652,153.80, 978,230.70 and 547,177.80 is: 820,766.70
Step by Step Solution
- Step 1: Write the proportion equation
652,153.80 : 978,230.70 = 547,177.80 : x - Step 2: Convert to fraction form
652,153.80/978,230.70 = 547,177.80/x - Step 3: Cross multiply
652,153.80x = 978,230.70 × 547,177.80 - Step 4: Simplify right side
652,153.80x = 535,266,122,318.46 - Step 5: Solve for x
x = 535,266,122,318.46/652,153.80 - Step 6: Final answer
x = 820,766.70
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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.