Finding the Fourth Proportional to 414,122.10, 621,183.15 and 411,497.70
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Solution
The fourth proportional to 414,122.10, 621,183.15 and 411,497.70 is: 617,246.55
Step by Step Solution
- Step 1: Write the proportion equation
414,122.10 : 621,183.15 = 411,497.70 : x - Step 2: Convert to fraction form
414,122.10/621,183.15 = 411,497.70/x - Step 3: Cross multiply
414,122.10x = 621,183.15 × 411,497.70 - Step 4: Simplify right side
414,122.10x = 255,615,437,503.76 - Step 5: Solve for x
x = 255,615,437,503.76/414,122.10 - Step 6: Final answer
x = 617,246.55
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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.