Finding the Fourth Proportional to 836,370.72, 1,154,248.71 and 473,797.56
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Solution
The fourth proportional to 836,370.72, 1,154,248.71 and 473,797.56 is: 653,872.99
Step by Step Solution
- Step 1: Write the proportion equation
836,370.72 : 1,154,248.71 = 473,797.56 : x - Step 2: Convert to fraction form
836,370.72/1,154,248.71 = 473,797.56/x - Step 3: Cross multiply
836,370.72x = 1,154,248.71 × 473,797.56 - Step 4: Simplify right side
836,370.72x = 546,880,222,431.15 - Step 5: Solve for x
x = 546,880,222,431.15/836,370.72 - Step 6: Final answer
x = 653,872.99
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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.