Finding the Fourth Proportional to 657,124.80, 984,304.80 and 546,532.80
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Solution
The fourth proportional to 657,124.80, 984,304.80 and 546,532.80 is: 818,649.45
Step by Step Solution
- Step 1: Write the proportion equation
657,124.80 : 984,304.80 = 546,532.80 : x - Step 2: Convert to fraction form
657,124.80/984,304.80 = 546,532.80/x - Step 3: Cross multiply
657,124.80x = 984,304.80 × 546,532.80 - Step 4: Simplify right side
657,124.80x = 537,954,858,397.44 - Step 5: Solve for x
x = 537,954,858,397.44/657,124.80 - Step 6: Final answer
x = 818,649.45
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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.