Finding the Fourth Proportional to 939,316.74, 1,296,259.61 and 509,596.88
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Solution
The fourth proportional to 939,316.74, 1,296,259.61 and 509,596.88 is: 703,245.05
Step by Step Solution
- Step 1: Write the proportion equation
939,316.74 : 1,296,259.61 = 509,596.88 : x - Step 2: Convert to fraction form
939,316.74/1,296,259.61 = 509,596.88/x - Step 3: Cross multiply
939,316.74x = 1,296,259.61 × 509,596.88 - Step 4: Simplify right side
939,316.74x = 660,569,843,896.73 - Step 5: Solve for x
x = 660,569,843,896.73/939,316.74 - Step 6: Final answer
x = 703,245.05
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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.