Finding the Fourth Proportional to 554,239.16, 764,849.70 and 299,590.35
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Solution
The fourth proportional to 554,239.16, 764,849.70 and 299,590.35 is: 413,434.50
Step by Step Solution
- Step 1: Write the proportion equation
554,239.16 : 764,849.70 = 299,590.35 : x - Step 2: Convert to fraction form
554,239.16/764,849.70 = 299,590.35/x - Step 3: Cross multiply
554,239.16x = 764,849.70 × 299,590.35 - Step 4: Simplify right side
554,239.16x = 229,141,589,320.40 - Step 5: Solve for x
x = 229,141,589,320.40/554,239.16 - Step 6: Final answer
x = 413,434.50
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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.