Finding the Fourth Proportional to 454,828.70, 682,804.65 and 286,348.70
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Solution
The fourth proportional to 454,828.70, 682,804.65 and 286,348.70 is: 429,876.62
Step by Step Solution
- Step 1: Write the proportion equation
454,828.70 : 682,804.65 = 286,348.70 : x - Step 2: Convert to fraction form
454,828.70/682,804.65 = 286,348.70/x - Step 3: Cross multiply
454,828.70x = 682,804.65 × 286,348.70 - Step 4: Simplify right side
454,828.70x = 195,520,223,881.46 - Step 5: Solve for x
x = 195,520,223,881.46/454,828.70 - Step 6: Final answer
x = 429,876.62
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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.