Finding the Fourth Proportional to 554,296.14, 764,929.11 and 299,647.26
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Solution
The fourth proportional to 554,296.14, 764,929.11 and 299,647.26 is: 413,513.45
Step by Step Solution
- Step 1: Write the proportion equation
554,296.14 : 764,929.11 = 299,647.26 : x - Step 2: Convert to fraction form
554,296.14/764,929.11 = 299,647.26/x - Step 3: Cross multiply
554,296.14x = 764,929.11 × 299,647.26 - Step 4: Simplify right side
554,296.14x = 229,208,911,905.74 - Step 5: Solve for x
x = 229,208,911,905.74/554,296.14 - Step 6: Final answer
x = 413,513.45
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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.