Finding the Fourth Proportional to 1,115,461.99, 1,672,894.09 and 484,225.75
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Solution
The fourth proportional to 1,115,461.99, 1,672,894.09 and 484,225.75 is: 726,208.87
Step by Step Solution
- Step 1: Write the proportion equation
1,115,461.99 : 1,672,894.09 = 484,225.75 : x - Step 2: Convert to fraction form
1,115,461.99/1,672,894.09 = 484,225.75/x - Step 3: Cross multiply
1,115,461.99x = 1,672,894.09 × 484,225.75 - Step 4: Simplify right side
1,115,461.99x = 810,058,395,400.82 - Step 5: Solve for x
x = 810,058,395,400.82/1,115,461.99 - Step 6: Final answer
x = 726,208.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.