Finding the Fourth Proportional to 652,511.70, 977,989.95 and 273,431.70
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Solution
The fourth proportional to 652,511.70, 977,989.95 and 273,431.70 is: 409,821.70
Step by Step Solution
- Step 1: Write the proportion equation
652,511.70 : 977,989.95 = 273,431.70 : x - Step 2: Convert to fraction form
652,511.70/977,989.95 = 273,431.70/x - Step 3: Cross multiply
652,511.70x = 977,989.95 × 273,431.70 - Step 4: Simplify right side
652,511.70x = 267,413,454,611.42 - Step 5: Solve for x
x = 267,413,454,611.42/652,511.70 - Step 6: Final answer
x = 409,821.70
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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.