Finding the Fourth Proportional to 434,585.70, 608,834.70 and 434,585.70
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Solution
The fourth proportional to 434,585.70, 608,834.70 and 434,585.70 is: 608,834.70
Step by Step Solution
- Step 1: Write the proportion equation
434,585.70 : 608,834.70 = 434,585.70 : x - Step 2: Convert to fraction form
434,585.70/608,834.70 = 434,585.70/x - Step 3: Cross multiply
434,585.70x = 608,834.70 × 434,585.70 - Step 4: Simplify right side
434,585.70x = 264,590,854,283.79 - Step 5: Solve for x
x = 264,590,854,283.79/434,585.70 - Step 6: Final answer
x = 608,834.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.