Finding the Fourth Proportional to 764,873.28, 1,147,441.14 and 232,448.13
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Solution
The fourth proportional to 764,873.28, 1,147,441.14 and 232,448.13 is: 348,712.07
Step by Step Solution
- Step 1: Write the proportion equation
764,873.28 : 1,147,441.14 = 232,448.13 : x - Step 2: Convert to fraction form
764,873.28/1,147,441.14 = 232,448.13/x - Step 3: Cross multiply
764,873.28x = 1,147,441.14 × 232,448.13 - Step 4: Simplify right side
764,873.28x = 266,720,547,278.07 - Step 5: Solve for x
x = 266,720,547,278.07/764,873.28 - Step 6: Final answer
x = 348,712.07
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1.5x scale
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.