Finding the Fourth Proportional to 539,398.00, 744,649.08 and 394,040.60
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Solution
The fourth proportional to 539,398.00, 744,649.08 and 394,040.60 is: 543,980.45
Step by Step Solution
- Step 1: Write the proportion equation
539,398.00 : 744,649.08 = 394,040.60 : x - Step 2: Convert to fraction form
539,398.00/744,649.08 = 394,040.60/x - Step 3: Cross multiply
539,398.00x = 744,649.08 × 394,040.60 - Step 4: Simplify right side
539,398.00x = 293,421,966,549.40 - Step 5: Solve for x
x = 293,421,966,549.40/539,398.00 - Step 6: Final answer
x = 543,980.45
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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.