Finding the Fourth Proportional to 749,480.36, 1,124,649.05 and 317,163.77
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Solution
The fourth proportional to 749,480.36, 1,124,649.05 and 317,163.77 is: 475,926.99
Step by Step Solution
- Step 1: Write the proportion equation
749,480.36 : 1,124,649.05 = 317,163.77 : x - Step 2: Convert to fraction form
749,480.36/1,124,649.05 = 317,163.77/x - Step 3: Cross multiply
749,480.36x = 1,124,649.05 × 317,163.77 - Step 4: Simplify right side
749,480.36x = 356,697,927,001.67 - Step 5: Solve for x
x = 356,697,927,001.67/749,480.36 - Step 6: Final answer
x = 475,926.99
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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.