Finding the Fourth Proportional to 586,590.73, 809,495.19 and 318,318.73
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Solution
The fourth proportional to 586,590.73, 809,495.19 and 318,318.73 is: 439,279.84
Step by Step Solution
- Step 1: Write the proportion equation
586,590.73 : 809,495.19 = 318,318.73 : x - Step 2: Convert to fraction form
586,590.73/809,495.19 = 318,318.73/x - Step 3: Cross multiply
586,590.73x = 809,495.19 × 318,318.73 - Step 4: Simplify right side
586,590.73x = 257,677,480,821.91 - Step 5: Solve for x
x = 257,677,480,821.91/586,590.73 - Step 6: Final answer
x = 439,279.84
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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.