Finding the Fourth Proportional to 513,235.80, 708,236.73 and 283,779.81
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Solution
The fourth proportional to 513,235.80, 708,236.73 and 283,779.81 is: 391,600.28
Step by Step Solution
- Step 1: Write the proportion equation
513,235.80 : 708,236.73 = 283,779.81 : x - Step 2: Convert to fraction form
513,235.80/708,236.73 = 283,779.81/x - Step 3: Cross multiply
513,235.80x = 708,236.73 × 283,779.81 - Step 4: Simplify right side
513,235.80x = 200,983,284,674.42 - Step 5: Solve for x
x = 200,983,284,674.42/513,235.80 - Step 6: Final answer
x = 391,600.28
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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.