Finding the Fourth Proportional to 575,649.23, 794,408.65 and 317,534.02
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Solution
The fourth proportional to 575,649.23, 794,408.65 and 317,534.02 is: 438,203.96
Step by Step Solution
- Step 1: Write the proportion equation
575,649.23 : 794,408.65 = 317,534.02 : x - Step 2: Convert to fraction form
575,649.23/794,408.65 = 317,534.02/x - Step 3: Cross multiply
575,649.23x = 794,408.65 × 317,534.02 - Step 4: Simplify right side
575,649.23x = 252,251,772,157.27 - Step 5: Solve for x
x = 252,251,772,157.27/575,649.23 - Step 6: Final answer
x = 438,203.96
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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.