Finding the Fourth Proportional to 539,347.37, 743,985.09 and 345,686.09
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Solution
The fourth proportional to 539,347.37, 743,985.09 and 345,686.09 is: 476,845.37
Step by Step Solution
- Step 1: Write the proportion equation
539,347.37 : 743,985.09 = 345,686.09 : x - Step 2: Convert to fraction form
539,347.37/743,985.09 = 345,686.09/x - Step 3: Cross multiply
539,347.37x = 743,985.09 × 345,686.09 - Step 4: Simplify right side
539,347.37x = 257,185,293,060.47 - Step 5: Solve for x
x = 257,185,293,060.47/539,347.37 - Step 6: Final answer
x = 476,845.37
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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.