Finding the Fourth Proportional to 836,561.21, 1,154,453.60 and 454,587.08
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Solution
The fourth proportional to 836,561.21, 1,154,453.60 and 454,587.08 is: 627,329.70
Step by Step Solution
- Step 1: Write the proportion equation
836,561.21 : 1,154,453.60 = 454,587.08 : x - Step 2: Convert to fraction form
836,561.21/1,154,453.60 = 454,587.08/x - Step 3: Cross multiply
836,561.21x = 1,154,453.60 × 454,587.08 - Step 4: Simplify right side
836,561.21x = 524,799,688,746.55 - Step 5: Solve for x
x = 524,799,688,746.55/836,561.21 - Step 6: Final answer
x = 627,329.70
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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.