Finding the Fourth Proportional to 530,012.96, 731,828.43 and 407,310.99
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Solution
The fourth proportional to 530,012.96, 731,828.43 and 407,310.99 is: 562,404.67
Step by Step Solution
- Step 1: Write the proportion equation
530,012.96 : 731,828.43 = 407,310.99 : x - Step 2: Convert to fraction form
530,012.96/731,828.43 = 407,310.99/x - Step 3: Cross multiply
530,012.96x = 731,828.43 × 407,310.99 - Step 4: Simplify right side
530,012.96x = 298,081,762,333.45 - Step 5: Solve for x
x = 298,081,762,333.45/530,012.96 - Step 6: Final answer
x = 562,404.67
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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.