Finding the Fourth Proportional to 926,556.13, 1,278,669.09 and 518,647.81
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Solution
The fourth proportional to 926,556.13, 1,278,669.09 and 518,647.81 is: 715,746.09
Step by Step Solution
- Step 1: Write the proportion equation
926,556.13 : 1,278,669.09 = 518,647.81 : x - Step 2: Convert to fraction form
926,556.13/1,278,669.09 = 518,647.81/x - Step 3: Cross multiply
926,556.13x = 1,278,669.09 × 518,647.81 - Step 4: Simplify right side
926,556.13x = 663,178,923,243.19 - Step 5: Solve for x
x = 663,178,923,243.19/926,556.13 - Step 6: Final answer
x = 715,746.09
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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.