Finding the Fourth Proportional to 855,917.10, 1,182,395.95 and 683,608.84
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Solution
The fourth proportional to 855,917.10, 1,182,395.95 and 683,608.84 is: 944,362.86
Step by Step Solution
- Step 1: Write the proportion equation
855,917.10 : 1,182,395.95 = 683,608.84 : x - Step 2: Convert to fraction form
855,917.10/1,182,395.95 = 683,608.84/x - Step 3: Cross multiply
855,917.10x = 1,182,395.95 × 683,608.84 - Step 4: Simplify right side
855,917.10x = 808,296,319,135.19 - Step 5: Solve for x
x = 808,296,319,135.19/855,917.10 - Step 6: Final answer
x = 944,362.86
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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.