Finding the Fourth Proportional to 512,733.10, 707,567.52 and 283,289.67
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Solution
The fourth proportional to 512,733.10, 707,567.52 and 283,289.67 is: 390,937.45
Step by Step Solution
- Step 1: Write the proportion equation
512,733.10 : 707,567.52 = 283,289.67 : x - Step 2: Convert to fraction form
512,733.10/707,567.52 = 283,289.67/x - Step 3: Cross multiply
512,733.10x = 707,567.52 × 283,289.67 - Step 4: Simplify right side
512,733.10x = 200,446,569,243.52 - Step 5: Solve for x
x = 200,446,569,243.52/512,733.10 - Step 6: Final answer
x = 390,937.45
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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.