Finding the Fourth Proportional to 748,719.68, 1,033,230.66 and 409,187.84
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Solution
The fourth proportional to 748,719.68, 1,033,230.66 and 409,187.84 is: 564,677.85
Step by Step Solution
- Step 1: Write the proportion equation
748,719.68 : 1,033,230.66 = 409,187.84 : x - Step 2: Convert to fraction form
748,719.68/1,033,230.66 = 409,187.84/x - Step 3: Cross multiply
748,719.68x = 1,033,230.66 × 409,187.84 - Step 4: Simplify right side
748,719.68x = 422,785,421,987.17 - Step 5: Solve for x
x = 422,785,421,987.17/748,719.68 - Step 6: Final answer
x = 564,677.85
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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.