Finding the Fourth Proportional to 454,767.70, 680,839.35 and 402,279.70
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Solution
The fourth proportional to 454,767.70, 680,839.35 and 402,279.70 is: 602,258.80
Step by Step Solution
- Step 1: Write the proportion equation
454,767.70 : 680,839.35 = 402,279.70 : x - Step 2: Convert to fraction form
454,767.70/680,839.35 = 402,279.70/x - Step 3: Cross multiply
454,767.70x = 680,839.35 × 402,279.70 - Step 4: Simplify right side
454,767.70x = 273,887,849,466.20 - Step 5: Solve for x
x = 273,887,849,466.20/454,767.70 - Step 6: Final answer
x = 602,258.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.