Finding the Fourth Proportional to 554,257.14, 764,875.49 and 299,608.13
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Solution
The fourth proportional to 554,257.14, 764,875.49 and 299,608.13 is: 413,459.55
Step by Step Solution
- Step 1: Write the proportion equation
554,257.14 : 764,875.49 = 299,608.13 : x - Step 2: Convert to fraction form
554,257.14/764,875.49 = 299,608.13/x - Step 3: Cross multiply
554,257.14x = 764,875.49 × 299,608.13 - Step 4: Simplify right side
554,257.14x = 229,162,909,919.32 - Step 5: Solve for x
x = 229,162,909,919.32/554,257.14 - Step 6: Final answer
x = 413,459.55
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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.