Finding the Fourth Proportional to 656,859.70, 985,289.55 and 302,565.70
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Solution
The fourth proportional to 656,859.70, 985,289.55 and 302,565.70 is: 453,848.55
Step by Step Solution
- Step 1: Write the proportion equation
656,859.70 : 985,289.55 = 302,565.70 : x - Step 2: Convert to fraction form
656,859.70/985,289.55 = 302,565.70/x - Step 3: Cross multiply
656,859.70x = 985,289.55 × 302,565.70 - Step 4: Simplify right side
656,859.70x = 298,114,822,398.44 - Step 5: Solve for x
x = 298,114,822,398.44/656,859.70 - Step 6: Final answer
x = 453,848.55
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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.