Finding the Fourth Proportional to 913,405.80, 1,370,108.70 and 414,769.80
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Solution
The fourth proportional to 913,405.80, 1,370,108.70 and 414,769.80 is: 622,154.70
Step by Step Solution
- Step 1: Write the proportion equation
913,405.80 : 1,370,108.70 = 414,769.80 : x - Step 2: Convert to fraction form
913,405.80/1,370,108.70 = 414,769.80/x - Step 3: Cross multiply
913,405.80x = 1,370,108.70 × 414,769.80 - Step 4: Simplify right side
913,405.80x = 568,279,711,477.26 - Step 5: Solve for x
x = 568,279,711,477.26/913,405.80 - Step 6: Final answer
x = 622,154.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.