Finding the Fourth Proportional to 855,923.75, 1,182,405.09 and 683,615.48
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Solution
The fourth proportional to 855,923.75, 1,182,405.09 and 683,615.48 is: 944,372.00
Step by Step Solution
- Step 1: Write the proportion equation
855,923.75 : 1,182,405.09 = 683,615.48 : x - Step 2: Convert to fraction form
855,923.75/1,182,405.09 = 683,615.48/x - Step 3: Cross multiply
855,923.75x = 1,182,405.09 × 683,615.48 - Step 4: Simplify right side
855,923.75x = 808,310,423,154.79 - Step 5: Solve for x
x = 808,310,423,154.79/855,923.75 - Step 6: Final answer
x = 944,372.00
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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.