Finding the Fourth Proportional to 554,399.91, 765,070.50 and 299,751.09
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Solution
The fourth proportional to 554,399.91, 765,070.50 and 299,751.09 is: 413,655.76
Step by Step Solution
- Step 1: Write the proportion equation
554,399.91 : 765,070.50 = 299,751.09 : x - Step 2: Convert to fraction form
554,399.91/765,070.50 = 299,751.09/x - Step 3: Cross multiply
554,399.91x = 765,070.50 × 299,751.09 - Step 4: Simplify right side
554,399.91x = 229,330,716,301.85 - Step 5: Solve for x
x = 229,330,716,301.85/554,399.91 - Step 6: Final answer
x = 413,655.76
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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.