Finding the Fourth Proportional to 840,330.32, 1,159,745.67 and 513,834.68
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Solution
The fourth proportional to 840,330.32, 1,159,745.67 and 513,834.68 is: 709,146.79
Step by Step Solution
- Step 1: Write the proportion equation
840,330.32 : 1,159,745.67 = 513,834.68 : x - Step 2: Convert to fraction form
840,330.32/1,159,745.67 = 513,834.68/x - Step 3: Cross multiply
840,330.32x = 1,159,745.67 × 513,834.68 - Step 4: Simplify right side
840,330.32x = 595,917,545,225.84 - Step 5: Solve for x
x = 595,917,545,225.84/840,330.32 - Step 6: Final answer
x = 709,146.79
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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.