Finding the Fourth Proportional to 509,451.40, 764,177.10 and 465,905.80
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Solution
The fourth proportional to 509,451.40, 764,177.10 and 465,905.80 is: 698,858.70
Step by Step Solution
- Step 1: Write the proportion equation
509,451.40 : 764,177.10 = 465,905.80 : x - Step 2: Convert to fraction form
509,451.40/764,177.10 = 465,905.80/x - Step 3: Cross multiply
509,451.40x = 764,177.10 × 465,905.80 - Step 4: Simplify right side
509,451.40x = 356,034,543,117.18 - Step 5: Solve for x
x = 356,034,543,117.18/509,451.40 - Step 6: Final answer
x = 698,858.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.