Finding the Fourth Proportional to 817,354.48, 1,226,595.48 and 284,879.92
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Solution
The fourth proportional to 817,354.48, 1,226,595.48 and 284,879.92 is: 427,516.37
Step by Step Solution
- Step 1: Write the proportion equation
817,354.48 : 1,226,595.48 = 284,879.92 : x - Step 2: Convert to fraction form
817,354.48/1,226,595.48 = 284,879.92/x - Step 3: Cross multiply
817,354.48x = 1,226,595.48 × 284,879.92 - Step 4: Simplify right side
817,354.48x = 349,432,422,214.76 - Step 5: Solve for x
x = 349,432,422,214.76/817,354.48 - Step 6: Final answer
x = 427,516.37
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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.