Finding the Fourth Proportional to 786,117.57, 1,084,835.67 and 441,954.99
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Solution
The fourth proportional to 786,117.57, 1,084,835.67 and 441,954.99 is: 609,894.19
Step by Step Solution
- Step 1: Write the proportion equation
786,117.57 : 1,084,835.67 = 441,954.99 : x - Step 2: Convert to fraction form
786,117.57/1,084,835.67 = 441,954.99/x - Step 3: Cross multiply
786,117.57x = 1,084,835.67 × 441,954.99 - Step 4: Simplify right side
786,117.57x = 479,448,537,686.49 - Step 5: Solve for x
x = 479,448,537,686.49/786,117.57 - Step 6: Final answer
x = 609,894.19
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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.