Finding the Fourth Proportional to 808,921.11, 1,116,267.68 and 446,273.99
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Solution
The fourth proportional to 808,921.11, 1,116,267.68 and 446,273.99 is: 615,834.13
Step by Step Solution
- Step 1: Write the proportion equation
808,921.11 : 1,116,267.68 = 446,273.99 : x - Step 2: Convert to fraction form
808,921.11/1,116,267.68 = 446,273.99/x - Step 3: Cross multiply
808,921.11x = 1,116,267.68 × 446,273.99 - Step 4: Simplify right side
808,921.11x = 498,161,231,181.99 - Step 5: Solve for x
x = 498,161,231,181.99/808,921.11 - Step 6: Final answer
x = 615,834.13
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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.