Finding the Fourth Proportional to 513,022.93, 707,943.98 and 283,566.53
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Solution
The fourth proportional to 513,022.93, 707,943.98 and 283,566.53 is: 391,306.53
Step by Step Solution
- Step 1: Write the proportion equation
513,022.93 : 707,943.98 = 283,566.53 : x - Step 2: Convert to fraction form
513,022.93/707,943.98 = 283,566.53/x - Step 3: Cross multiply
513,022.93x = 707,943.98 × 283,566.53 - Step 4: Simplify right side
513,022.93x = 200,749,220,321.77 - Step 5: Solve for x
x = 200,749,220,321.77/513,022.93 - Step 6: Final answer
x = 391,306.53
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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.