Finding the Fourth Proportional to 457,122.80, 684,517.80 and 363,810.80
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Solution
The fourth proportional to 457,122.80, 684,517.80 and 363,810.80 is: 544,787.90
Step by Step Solution
- Step 1: Write the proportion equation
457,122.80 : 684,517.80 = 363,810.80 : x - Step 2: Convert to fraction form
457,122.80/684,517.80 = 363,810.80/x - Step 3: Cross multiply
457,122.80x = 684,517.80 × 363,810.80 - Step 4: Simplify right side
457,122.80x = 249,034,968,432.24 - Step 5: Solve for x
x = 249,034,968,432.24/457,122.80 - Step 6: Final answer
x = 544,787.90
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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.