Finding the Fourth Proportional to 554,869.53, 765,718.79 and 300,220.65
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Solution
The fourth proportional to 554,869.53, 765,718.79 and 300,220.65 is: 414,303.87
Step by Step Solution
- Step 1: Write the proportion equation
554,869.53 : 765,718.79 = 300,220.65 : x - Step 2: Convert to fraction form
554,869.53/765,718.79 = 300,220.65/x - Step 3: Cross multiply
554,869.53x = 765,718.79 × 300,220.65 - Step 4: Simplify right side
554,869.53x = 229,884,591,349.91 - Step 5: Solve for x
x = 229,884,591,349.91/554,869.53 - Step 6: Final answer
x = 414,303.87
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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.