Finding the Fourth Proportional to 605,909.36, 836,056.20 and 351,210.80
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Solution
The fourth proportional to 605,909.36, 836,056.20 and 351,210.80 is: 484,613.68
Step by Step Solution
- Step 1: Write the proportion equation
605,909.36 : 836,056.20 = 351,210.80 : x - Step 2: Convert to fraction form
605,909.36/836,056.20 = 351,210.80/x - Step 3: Cross multiply
605,909.36x = 836,056.20 × 351,210.80 - Step 4: Simplify right side
605,909.36x = 293,631,966,846.96 - Step 5: Solve for x
x = 293,631,966,846.96/605,909.36 - Step 6: Final answer
x = 484,613.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.