Finding the Fourth Proportional to 768,541.53, 1,060,680.83 and 446,251.62
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Solution
The fourth proportional to 768,541.53, 1,060,680.83 and 446,251.62 is: 615,881.53
Step by Step Solution
- Step 1: Write the proportion equation
768,541.53 : 1,060,680.83 = 446,251.62 : x - Step 2: Convert to fraction form
768,541.53/1,060,680.83 = 446,251.62/x - Step 3: Cross multiply
768,541.53x = 1,060,680.83 × 446,251.62 - Step 4: Simplify right side
768,541.53x = 473,330,535,216.21 - Step 5: Solve for x
x = 473,330,535,216.21/768,541.53 - Step 6: Final answer
x = 615,881.53
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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.