Finding the Fourth Proportional to 935,695.06, 1,291,259.21 and 505,975.21
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Solution
The fourth proportional to 935,695.06, 1,291,259.21 and 505,975.21 is: 698,245.80
Step by Step Solution
- Step 1: Write the proportion equation
935,695.06 : 1,291,259.21 = 505,975.21 : x - Step 2: Convert to fraction form
935,695.06/1,291,259.21 = 505,975.21/x - Step 3: Cross multiply
935,695.06x = 1,291,259.21 × 505,975.21 - Step 4: Simplify right side
935,695.06x = 653,345,144,186.16 - Step 5: Solve for x
x = 653,345,144,186.16/935,695.06 - Step 6: Final answer
x = 698,245.80
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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.