Finding the Fourth Proportional to 524,192.80, 785,122.80 and 430,880.80
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Solution
The fourth proportional to 524,192.80, 785,122.80 and 430,880.80 is: 645,362.43
Step by Step Solution
- Step 1: Write the proportion equation
524,192.80 : 785,122.80 = 430,880.80 : x - Step 2: Convert to fraction form
524,192.80/785,122.80 = 430,880.80/x - Step 3: Cross multiply
524,192.80x = 785,122.80 × 430,880.80 - Step 4: Simplify right side
524,192.80x = 338,294,340,162.24 - Step 5: Solve for x
x = 338,294,340,162.24/524,192.80 - Step 6: Final answer
x = 645,362.43
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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.