Finding the Fourth Proportional to 792,918.99, 1,093,730.51 and 470,400.75
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Solution
The fourth proportional to 792,918.99, 1,093,730.51 and 470,400.75 is: 648,857.78
Step by Step Solution
- Step 1: Write the proportion equation
792,918.99 : 1,093,730.51 = 470,400.75 : x - Step 2: Convert to fraction form
792,918.99/1,093,730.51 = 470,400.75/x - Step 3: Cross multiply
792,918.99x = 1,093,730.51 × 470,400.75 - Step 4: Simplify right side
792,918.99x = 514,491,653,377.88 - Step 5: Solve for x
x = 514,491,653,377.88/792,918.99 - Step 6: Final answer
x = 648,857.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.