Finding the Fourth Proportional to 750,507.53, 1,035,708.73 and 406,351.08
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Solution
The fourth proportional to 750,507.53, 1,035,708.73 and 406,351.08 is: 560,769.01
Step by Step Solution
- Step 1: Write the proportion equation
750,507.53 : 1,035,708.73 = 406,351.08 : x - Step 2: Convert to fraction form
750,507.53/1,035,708.73 = 406,351.08/x - Step 3: Cross multiply
750,507.53x = 1,035,708.73 × 406,351.08 - Step 4: Simplify right side
750,507.53x = 420,861,359,985.05 - Step 5: Solve for x
x = 420,861,359,985.05/750,507.53 - Step 6: Final answer
x = 560,769.01
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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.