Finding the Fourth Proportional to 673,290.99, 928,301.18 and 431,175.51
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Solution
The fourth proportional to 673,290.99, 928,301.18 and 431,175.51 is: 594,484.02
Step by Step Solution
- Step 1: Write the proportion equation
673,290.99 : 928,301.18 = 431,175.51 : x - Step 2: Convert to fraction form
673,290.99/928,301.18 = 431,175.51/x - Step 3: Cross multiply
673,290.99x = 928,301.18 × 431,175.51 - Step 4: Simplify right side
673,290.99x = 400,260,732,564.22 - Step 5: Solve for x
x = 400,260,732,564.22/673,290.99 - Step 6: Final answer
x = 594,484.02
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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.