Finding the Fourth Proportional to 836,234.19, 1,153,728.71 and 468,657.59
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Solution
The fourth proportional to 836,234.19, 1,153,728.71 and 468,657.59 is: 646,593.65
Step by Step Solution
- Step 1: Write the proportion equation
836,234.19 : 1,153,728.71 = 468,657.59 : x - Step 2: Convert to fraction form
836,234.19/1,153,728.71 = 468,657.59/x - Step 3: Cross multiply
836,234.19x = 1,153,728.71 × 468,657.59 - Step 4: Simplify right side
836,234.19x = 540,703,716,742.41 - Step 5: Solve for x
x = 540,703,716,742.41/836,234.19 - Step 6: Final answer
x = 646,593.65
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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.