Finding the Fourth Proportional to 513,434.36, 708,536.22 and 283,987.53
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Solution
The fourth proportional to 513,434.36, 708,536.22 and 283,987.53 is: 391,901.03
Step by Step Solution
- Step 1: Write the proportion equation
513,434.36 : 708,536.22 = 283,987.53 : x - Step 2: Convert to fraction form
513,434.36/708,536.22 = 283,987.53/x - Step 3: Cross multiply
513,434.36x = 708,536.22 × 283,987.53 - Step 4: Simplify right side
513,434.36x = 201,215,451,033.34 - Step 5: Solve for x
x = 201,215,451,033.34/513,434.36 - Step 6: Final answer
x = 391,901.03
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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.