Finding the Fourth Proportional to 530,010.96, 731,825.67 and 407,308.99
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Solution
The fourth proportional to 530,010.96, 731,825.67 and 407,308.99 is: 562,401.90
Step by Step Solution
- Step 1: Write the proportion equation
530,010.96 : 731,825.67 = 407,308.99 : x - Step 2: Convert to fraction form
530,010.96/731,825.67 = 407,308.99/x - Step 3: Cross multiply
530,010.96x = 731,825.67 × 407,308.99 - Step 4: Simplify right side
530,010.96x = 298,079,173,457.31 - Step 5: Solve for x
x = 298,079,173,457.31/530,010.96 - Step 6: Final answer
x = 562,401.90
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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.