Finding the Fourth Proportional to 554,523.84, 765,239.04 and 299,871.36
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Solution
The fourth proportional to 554,523.84, 765,239.04 and 299,871.36 is: 413,820.39
Step by Step Solution
- Step 1: Write the proportion equation
554,523.84 : 765,239.04 = 299,871.36 : x - Step 2: Convert to fraction form
554,523.84/765,239.04 = 299,871.36/x - Step 3: Cross multiply
554,523.84x = 765,239.04 × 299,871.36 - Step 4: Simplify right side
554,523.84x = 229,473,271,649.89 - Step 5: Solve for x
x = 229,473,271,649.89/554,523.84 - Step 6: Final answer
x = 413,820.39
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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.