Finding the Fourth Proportional to 869,191.71, 1,304,162.19 and 470,113.42
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Solution
The fourth proportional to 869,191.71, 1,304,162.19 and 470,113.42 is: 705,372.75
Step by Step Solution
- Step 1: Write the proportion equation
869,191.71 : 1,304,162.19 = 470,113.42 : x - Step 2: Convert to fraction form
869,191.71/1,304,162.19 = 470,113.42/x - Step 3: Cross multiply
869,191.71x = 1,304,162.19 × 470,113.42 - Step 4: Simplify right side
869,191.71x = 613,104,147,882.68 - Step 5: Solve for x
x = 613,104,147,882.68/869,191.71 - Step 6: Final answer
x = 705,372.75
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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.