Finding the Fourth Proportional to 1,130,790.36, 1,695,922.70 and 331,857.39
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Solution
The fourth proportional to 1,130,790.36, 1,695,922.70 and 331,857.39 is: 497,708.95
Step by Step Solution
- Step 1: Write the proportion equation
1,130,790.36 : 1,695,922.70 = 331,857.39 : x - Step 2: Convert to fraction form
1,130,790.36/1,695,922.70 = 331,857.39/x - Step 3: Cross multiply
1,130,790.36x = 1,695,922.70 × 331,857.39 - Step 4: Simplify right side
1,130,790.36x = 562,804,479,204.47 - Step 5: Solve for x
x = 562,804,479,204.47/1,130,790.36 - Step 6: Final answer
x = 497,708.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.