Finding the Fourth Proportional to 658,856.53, 909,319.53 and 417,161.53
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Solution
The fourth proportional to 658,856.53, 909,319.53 and 417,161.53 is: 575,744.66
Step by Step Solution
- Step 1: Write the proportion equation
658,856.53 : 909,319.53 = 417,161.53 : x - Step 2: Convert to fraction form
658,856.53/909,319.53 = 417,161.53/x - Step 3: Cross multiply
658,856.53x = 909,319.53 × 417,161.53 - Step 4: Simplify right side
658,856.53x = 379,333,126,393.68 - Step 5: Solve for x
x = 379,333,126,393.68/658,856.53 - Step 6: Final answer
x = 575,744.66
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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.