Finding the Fourth Proportional to 513,270.13, 708,317.36 and 283,842.94
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Solution
The fourth proportional to 513,270.13, 708,317.36 and 283,842.94 is: 391,705.79
Step by Step Solution
- Step 1: Write the proportion equation
513,270.13 : 708,317.36 = 283,842.94 : x - Step 2: Convert to fraction form
513,270.13/708,317.36 = 283,842.94/x - Step 3: Cross multiply
513,270.13x = 708,317.36 × 283,842.94 - Step 4: Simplify right side
513,270.13x = 201,050,880,854.25 - Step 5: Solve for x
x = 201,050,880,854.25/513,270.13 - Step 6: Final answer
x = 391,705.79
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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.