Finding the Fourth Proportional to 805,009.99, 1,110,890.38 and 460,834.31
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Solution
The fourth proportional to 805,009.99, 1,110,890.38 and 460,834.31 is: 635,937.95
Step by Step Solution
- Step 1: Write the proportion equation
805,009.99 : 1,110,890.38 = 460,834.31 : x - Step 2: Convert to fraction form
805,009.99/1,110,890.38 = 460,834.31/x - Step 3: Cross multiply
805,009.99x = 1,110,890.38 × 460,834.31 - Step 4: Simplify right side
805,009.99x = 511,936,401,752.94 - Step 5: Solve for x
x = 511,936,401,752.94/805,009.99 - Step 6: Final answer
x = 635,937.95
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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.