Finding the Fourth Proportional to 513,466.83, 708,529.74 and 283,987.66
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Solution
The fourth proportional to 513,466.83, 708,529.74 and 283,987.66 is: 391,872.84
Step by Step Solution
- Step 1: Write the proportion equation
513,466.83 : 708,529.74 = 283,987.66 : x - Step 2: Convert to fraction form
513,466.83/708,529.74 = 283,987.66/x - Step 3: Cross multiply
513,466.83x = 708,529.74 × 283,987.66 - Step 4: Simplify right side
513,466.83x = 201,213,702,903.01 - Step 5: Solve for x
x = 201,213,702,903.01/513,466.83 - Step 6: Final answer
x = 391,872.84
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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.