Finding the Fourth Proportional to 410,355.84, 615,728.16 and 284,190.24
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Solution
The fourth proportional to 410,355.84, 615,728.16 and 284,190.24 is: 426,419.99
Step by Step Solution
- Step 1: Write the proportion equation
410,355.84 : 615,728.16 = 284,190.24 : x - Step 2: Convert to fraction form
410,355.84/615,728.16 = 284,190.24/x - Step 3: Cross multiply
410,355.84x = 615,728.16 × 284,190.24 - Step 4: Simplify right side
410,355.84x = 174,983,933,565.16 - Step 5: Solve for x
x = 174,983,933,565.16/410,355.84 - Step 6: Final answer
x = 426,419.99
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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.