Finding the Fourth Proportional to 924,068.16, 1,275,218.49 and 516,187.19
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Solution
The fourth proportional to 924,068.16, 1,275,218.49 and 516,187.19 is: 712,340.80
Step by Step Solution
- Step 1: Write the proportion equation
924,068.16 : 1,275,218.49 = 516,187.19 : x - Step 2: Convert to fraction form
924,068.16/1,275,218.49 = 516,187.19/x - Step 3: Cross multiply
924,068.16x = 1,275,218.49 × 516,187.19 - Step 4: Simplify right side
924,068.16x = 658,251,448,989.14 - Step 5: Solve for x
x = 658,251,448,989.14/924,068.16 - Step 6: Final answer
x = 712,340.80
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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.