Finding the Fourth Proportional to 930,867.68, 1,396,273.73 and 256,990.10
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Solution
The fourth proportional to 930,867.68, 1,396,273.73 and 256,990.10 is: 385,477.47
Step by Step Solution
- Step 1: Write the proportion equation
930,867.68 : 1,396,273.73 = 256,990.10 : x - Step 2: Convert to fraction form
930,867.68/1,396,273.73 = 256,990.10/x - Step 3: Cross multiply
930,867.68x = 1,396,273.73 × 256,990.10 - Step 4: Simplify right side
930,867.68x = 358,828,517,233.75 - Step 5: Solve for x
x = 358,828,517,233.75/930,867.68 - Step 6: Final answer
x = 385,477.47
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1.5x scale
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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.